I'm announcing the release of the 4.9.103 kernel.
All users of the 4.9 kernel series must upgrade.
The updated 4.9.y git tree can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-4.9.y and can be browsed at the normal kernel.org git web browser: http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git%3Ba=summar...
thanks,
greg k-h
------------
Makefile | 2 arch/s390/crypto/crc32be-vx.S | 5 arch/s390/crypto/crc32le-vx.S | 4 arch/s390/include/asm/alternative-asm.h | 108 ++++++++++++ arch/s390/include/asm/nospec-insn.h | 195 +++++++++++++++++++++++ arch/s390/kernel/Makefile | 1 arch/s390/kernel/asm-offsets.c | 1 arch/s390/kernel/base.S | 24 +- arch/s390/kernel/entry.S | 105 ++---------- arch/s390/kernel/mcount.S | 14 + arch/s390/kernel/nospec-branch.c | 43 ++--- arch/s390/kernel/nospec-sysfs.c | 21 ++ arch/s390/kernel/reipl.S | 7 arch/s390/kernel/swsusp.S | 9 - arch/s390/lib/mem.S | 9 - arch/s390/net/bpf_jit.S | 16 + arch/s390/net/bpf_jit_comp.c | 63 +++++++ arch/x86/kernel/machine_kexec_32.c | 6 arch/x86/kernel/machine_kexec_64.c | 4 drivers/bluetooth/btusb.c | 6 drivers/clk/clk.c | 3 drivers/clk/rockchip/clk-mmc-phase.c | 23 ++ drivers/clk/rockchip/clk-rk3228.c | 2 drivers/clk/samsung/clk-exynos3250.c | 4 drivers/clk/samsung/clk-exynos5250.c | 8 drivers/clk/samsung/clk-exynos5260.c | 2 drivers/clk/samsung/clk-exynos5433.c | 12 - drivers/clk/samsung/clk-exynos7.c | 2 drivers/clk/samsung/clk-s3c2410.c | 16 - drivers/clk/tegra/clk-pll.c | 2 drivers/crypto/sunxi-ss/sun4i-ss-core.c | 1 drivers/media/dvb-core/dmxdev.c | 2 drivers/media/pci/cx23885/cx23885-cards.c | 4 drivers/media/pci/cx23885/cx23885-core.c | 10 + drivers/media/pci/cx25821/cx25821-core.c | 7 drivers/media/platform/s3c-camif/camif-capture.c | 7 drivers/media/platform/vivid/vivid-ctrls.c | 2 drivers/media/usb/em28xx/em28xx.h | 2 drivers/media/v4l2-core/videobuf2-vmalloc.c | 2 drivers/message/fusion/mptctl.c | 2 drivers/net/ethernet/mellanox/mlx4/main.c | 4 drivers/net/usb/qmi_wwan.c | 4 drivers/net/vmxnet3/vmxnet3_drv.c | 72 +++++--- drivers/rtc/hctosys.c | 5 drivers/rtc/rtc-snvs.c | 15 + drivers/rtc/rtc-tx4939.c | 6 drivers/s390/scsi/zfcp_dbf.c | 23 ++ drivers/s390/scsi/zfcp_ext.h | 5 drivers/s390/scsi/zfcp_scsi.c | 14 - drivers/scsi/aacraid/commsup.c | 4 drivers/scsi/aacraid/linit.c | 5 drivers/scsi/arm/fas216.c | 2 drivers/scsi/bnx2fc/bnx2fc_io.c | 1 drivers/scsi/libsas/sas_scsi_host.c | 33 +-- drivers/scsi/lpfc/lpfc_attr.c | 5 drivers/scsi/lpfc/lpfc_hbadisc.c | 5 drivers/scsi/lpfc/lpfc_sli.c | 2 drivers/scsi/mpt3sas/mpt3sas_scsih.c | 2 drivers/scsi/mvsas/mv_94xx.c | 23 +- drivers/scsi/qla2xxx/qla_isr.c | 6 drivers/scsi/qla4xxx/ql4_def.h | 2 drivers/scsi/qla4xxx/ql4_os.c | 46 +++++ drivers/scsi/sd.c | 3 drivers/scsi/sg.c | 2 drivers/scsi/storvsc_drv.c | 2 drivers/scsi/sym53c8xx_2/sym_hipd.c | 2 drivers/scsi/ufs/ufshcd.c | 2 drivers/staging/lustre/lustre/include/obd.h | 2 drivers/staging/lustre/lustre/lmv/lmv_obd.c | 2 drivers/staging/lustre/lustre/osc/osc_cache.c | 2 drivers/staging/rtl8192u/r8192U_core.c | 2 drivers/tty/serial/8250/8250_port.c | 3 drivers/tty/serial/arc_uart.c | 5 drivers/tty/serial/fsl_lpuart.c | 4 drivers/tty/serial/imx.c | 6 drivers/tty/serial/mxs-auart.c | 4 drivers/tty/serial/samsung.c | 4 drivers/tty/serial/xilinx_uartps.c | 2 drivers/usb/class/cdc-acm.c | 9 - drivers/usb/dwc2/core.h | 2 drivers/usb/dwc2/gadget.c | 12 - drivers/usb/dwc2/hcd.c | 14 + drivers/usb/dwc3/core.c | 16 + drivers/usb/dwc3/core.h | 2 drivers/usb/dwc3/dwc3-omap.c | 16 + drivers/usb/gadget/composite.c | 40 ++-- drivers/usb/gadget/function/f_fs.c | 6 drivers/usb/gadget/function/f_uac2.c | 2 drivers/usb/gadget/udc/core.c | 2 drivers/usb/gadget/udc/fsl_udc_core.c | 4 drivers/usb/gadget/udc/goku_udc.h | 2 drivers/usb/host/ohci-hcd.c | 3 drivers/usb/host/xhci-mem.c | 2 fs/ext2/inode.c | 10 - fs/hfsplus/super.c | 1 include/linux/usb/composite.h | 3 include/uapi/linux/nl80211.h | 2 net/core/sock.c | 2 net/ipv4/ip_output.c | 3 net/ipv4/tcp_output.c | 7 net/ipv6/ip6_output.c | 3 net/packet/af_packet.c | 4 net/wireless/core.c | 3 sound/soc/au1x/ac97c.c | 6 sound/soc/samsung/i2s.c | 13 + sound/soc/soc-topology.c | 3 sound/usb/quirks.c | 29 +-- 107 files changed, 974 insertions(+), 334 deletions(-)
Al Viro (1): ext2: fix a block leak
Alexander Potapenko (1): scsi: sg: allocate with __GFP_ZERO in sg_build_indirect()
Alexandre Belloni (1): rtc: hctosys: Ensure system time doesn't overflow time_t
Andrzej Hajda (6): clk: samsung: s3c2410: Fix PLL rates clk: samsung: exynos7: Fix PLL rates clk: samsung: exynos5260: Fix PLL rates clk: samsung: exynos5433: Fix PLL rates clk: samsung: exynos5250: Fix PLL rates clk: samsung: exynos3250: Fix PLL rates
Arnd Bergmann (2): scsi: fas216: fix sense buffer initialization media: s3c-camif: fix out-of-bounds array access
Bart Van Assche (1): scsi: qla2xxx: Avoid triggering undefined behavior in qla2x00_mbx_completion()
Brad Love (3): media: em28xx: USB bulk packet size fix media: cx23885: Set subdev host data to clk_freq pointer media: cx23885: Override 888 ImpactVCBe crystal frequency
Brian Norris (1): usb: dwc3: Undo PHY init if soft reset fails
Bryan O'Donoghue (1): rtc: snvs: Fix usage of snvs_rtc_enable
Chad Dupuis (1): scsi: bnx2fc: Fix check in SCSI completion handler for timed out request
Chris Dickens (1): usb: gadget: composite: fix incorrect handling of OS desc requests
Colin Ian King (3): staging: rtl8192u: return -ENOMEM on failed allocation of priv->oldaddr media: cx25821: prevent out-of-bounds read on array card rtc: tx4939: avoid unintended sign extension on a 24 bit shift
Dan Carpenter (3): scsi: sym53c8xx_2: iterator underflow in sym_getsync() scsi: mptfusion: Add bounds check in mptctl_hp_targetinfo() ASoC: au1x: Fix timeout tests in au1xac97c_ac97_read()
Dave Carroll (1): scsi: aacraid: Insure command thread is not recursively stopped
Dominik Bozek (1): usb: cdc_acm: prevent race at write to acm while system resumes
Eric Dumazet (2): sock_diag: fix use-after-free read in __sk_free tcp: purge write queue in tcp_connect_init()
Fredrik Noring (1): USB: OHCI: Fix NULL dereference in HCDs using HCD_LOCAL_MEM
Geert Uytterhoeven (6): serial: xuartps: Fix out-of-bounds access through DT alias serial: samsung: Fix out-of-bounds access through serial port index serial: mxs-auart: Fix out-of-bounds access through serial port index serial: imx: Fix out-of-bounds access through serial port index serial: fsl_lpuart: Fix out-of-bounds access through DT alias serial: arc_uart: Fix out-of-bounds access through DT alias
Giuseppe Lippolis (1): net-usb: add qmi_wwan if on lte modem wistron neweb d18q1
Greg Kroah-Hartman (1): Linux 4.9.103
Grigor Tovmasyan (1): usb: dwc2: Fix interval type issue
Hannes Reinecke (1): scsi: mpt3sas: Do not mark fw_event workqueue as WQ_MEM_RECLAIM
Hans Verkuil (1): media: vivid: fix incorrect capabilities for radio
James Smart (3): scsi: lpfc: Fix issue_lip if link is disabled scsi: lpfc: Fix soft lockup in lpfc worker thread during LIP testing scsi: lpfc: Fix frequency of Release WQE CQEs
Jason Yan (1): scsi: libsas: defer ata device eh commands to libata
Jens Remus (1): scsi: zfcp: fix infinite iteration on ERP ready list
Jeremy Cline (1): scsi: sd: Keep disk read-only when re-reading partition
Johannes Berg (1): cfg80211: limit wiphy names to 128 bytes
John Keeping (1): usb: gadget: f_uac2: fix bFirstInterface in composite gadget
Larry Finger (1): Bluetooth: btusb: Add device ID for RTL8822BE
Lars-Peter Clausen (2): usb: gadget: ffs: Let setup() return USB_GADGET_DELAYED_STATUS usb: gadget: ffs: Execute copy_to_user() with USER_DS set
Manish Rangankar (1): scsi: qla4xxx: skip error recovery in case of register disconnect.
Manu Gautam (1): usb: gadget: core: Fix use-after-free of usb_request
Marcel Ziswiler (1): clk: tegra: Fix pll_u rate configuration
Martin Schwidefsky (9): s390: add assembler macros for CPU alternatives s390: move expoline assembler macros to a header s390/crc32-vx: use expoline for indirect branches s390/lib: use expoline for indirect branches s390/ftrace: use expoline for indirect branches s390/kernel: use expoline for indirect branches s390: move spectre sysfs attribute code s390: extend expoline to BC instructions s390: use expoline thunks in the BPF JIT
Masami Hiramatsu (1): media: vb2: Fix videobuf2 to map correct area
Mathias Nyman (1): xhci: zero usb device slot_id member when disabling and freeing a xhci slot
Mauro Carvalho Chehab (1): media: dmxdev: fix error code for invalid ioctls
Meelis Roos (1): scsi: aacraid: fix shutdown crash when init fails
Michael Kelley (EOSG) (1): scsi: storvsc: Increase cmd_per_lun for higher speed devices
Minas Harutyunyan (1): usb: dwc2: host: Fix transaction errors in host mode
NeilBrown (2): staging: lustre: fix bug in osc_enter_cache_try staging: lustre: lmv: correctly iput lmo_root
Nobutaka Okabe (1): ALSA: usb-audio: Add native DSD support for Luxman DA-06
Peter Robinson (1): crypto: sunxi-ss - Add MODULE_ALIAS to sun4i-ss
Ranjani Sridharan (1): ASoC: topology: create TLV data for dapm widgets
Roger Quadros (1): usb: dwc3: omap: don't miss events during suspend/resume
Shawn Lin (3): clk: rockchip: Fix wrong parent for SDMMC phase clock for rk3228 clk: Don't show the incorrect clock phase clk: rockchip: Prevent calculating mmc phase if clock rate is zero
Stefan Agner (1): usb: gadget: fsl_udc_core: fix ep valid checks
Sujit Reddy Thumma (1): scsi: ufs: Enable quirk to ignore sending WRITE_SAME command
Sylwester Nawrocki (1): ASoC: samsung: i2s: Ensure the RCLK rate is properly determined
Tarick Bedeir (1): net/mlx4_core: Fix error handling in mlx4_init_port_info.
Tetsuo Handa (2): hfsplus: stop workqueue when fill_super() failed x86/kexec: Avoid double free_page() upon do_kexec_load() failure
Thinh Nguyen (2): usb: dwc3: Add SoftReset PHY synchonization delay usb: dwc3: Update DWC_usb31 GTXFIFOSIZ reg fields
Torsten Hilbrich (1): net/usb/qmi_wwan.c: Add USB id for lt4120 modem
Vardan Mikayelyan (1): usb: dwc2: Fix dwc2_hsotg_core_init_disconnected()
Vicente Bergas (1): Bluetooth: btusb: Add USB ID 7392:a611 for Edimax EW-7611ULB
Vignesh R (1): serial: 8250: Don't service RX FIFO if interrupts are disabled
Wilfried Weissmann (1): scsi: mvsas: fix wrong endianness of sgpio api
Willem de Bruijn (2): net: test tailroom before appending to linear skb packet: in packet_snd start writing at link layer allocation
Wolfram Sang (1): usb: gadget: udc: change comparison to bitshift when dealing with a mask
hpreg@vmware.com (2): vmxnet3: set the DMA mask before the first DMA map operation vmxnet3: use DMA memory barriers where required
diff --git a/Makefile b/Makefile index d84c39c290f7..6090f655fb32 100644 --- a/Makefile +++ b/Makefile @@ -1,6 +1,6 @@ VERSION = 4 PATCHLEVEL = 9 -SUBLEVEL = 102 +SUBLEVEL = 103 EXTRAVERSION = NAME = Roaring Lionus
diff --git a/arch/s390/crypto/crc32be-vx.S b/arch/s390/crypto/crc32be-vx.S index 8013989cd2e5..096affb74446 100644 --- a/arch/s390/crypto/crc32be-vx.S +++ b/arch/s390/crypto/crc32be-vx.S @@ -12,6 +12,7 @@ */
#include <linux/linkage.h> +#include <asm/nospec-insn.h> #include <asm/vx-insn.h>
/* Vector register range containing CRC-32 constants */ @@ -66,6 +67,8 @@
.previous
+ GEN_BR_THUNK %r14 + .text /* * The CRC-32 function(s) use these calling conventions: @@ -202,6 +205,6 @@ ENTRY(crc32_be_vgfm_16)
.Ldone: VLGVF %r2,%v2,3 - br %r14 + BR_EX %r14
.previous diff --git a/arch/s390/crypto/crc32le-vx.S b/arch/s390/crypto/crc32le-vx.S index 17f2504c2633..8dc98c1d7cb1 100644 --- a/arch/s390/crypto/crc32le-vx.S +++ b/arch/s390/crypto/crc32le-vx.S @@ -13,6 +13,7 @@ */
#include <linux/linkage.h> +#include <asm/nospec-insn.h> #include <asm/vx-insn.h>
/* Vector register range containing CRC-32 constants */ @@ -75,6 +76,7 @@
.previous
+ GEN_BR_THUNK %r14
.text
@@ -263,6 +265,6 @@ crc32_le_vgfm_generic:
.Ldone: VLGVF %r2,%v2,2 - br %r14 + BR_EX %r14
.previous diff --git a/arch/s390/include/asm/alternative-asm.h b/arch/s390/include/asm/alternative-asm.h new file mode 100644 index 000000000000..955d620db23e --- /dev/null +++ b/arch/s390/include/asm/alternative-asm.h @@ -0,0 +1,108 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_S390_ALTERNATIVE_ASM_H +#define _ASM_S390_ALTERNATIVE_ASM_H + +#ifdef __ASSEMBLY__ + +/* + * Check the length of an instruction sequence. The length may not be larger + * than 254 bytes and it has to be divisible by 2. + */ +.macro alt_len_check start,end + .if ( \end - \start ) > 254 + .error "cpu alternatives does not support instructions blocks > 254 bytes\n" + .endif + .if ( \end - \start ) % 2 + .error "cpu alternatives instructions length is odd\n" + .endif +.endm + +/* + * Issue one struct alt_instr descriptor entry (need to put it into + * the section .altinstructions, see below). This entry contains + * enough information for the alternatives patching code to patch an + * instruction. See apply_alternatives(). + */ +.macro alt_entry orig_start, orig_end, alt_start, alt_end, feature + .long \orig_start - . + .long \alt_start - . + .word \feature + .byte \orig_end - \orig_start + .byte \alt_end - \alt_start +.endm + +/* + * Fill up @bytes with nops. The macro emits 6-byte nop instructions + * for the bulk of the area, possibly followed by a 4-byte and/or + * a 2-byte nop if the size of the area is not divisible by 6. + */ +.macro alt_pad_fill bytes + .fill ( \bytes ) / 6, 6, 0xc0040000 + .fill ( \bytes ) % 6 / 4, 4, 0x47000000 + .fill ( \bytes ) % 6 % 4 / 2, 2, 0x0700 +.endm + +/* + * Fill up @bytes with nops. If the number of bytes is larger + * than 6, emit a jg instruction to branch over all nops, then + * fill an area of size (@bytes - 6) with nop instructions. + */ +.macro alt_pad bytes + .if ( \bytes > 0 ) + .if ( \bytes > 6 ) + jg . + \bytes + alt_pad_fill \bytes - 6 + .else + alt_pad_fill \bytes + .endif + .endif +.endm + +/* + * Define an alternative between two instructions. If @feature is + * present, early code in apply_alternatives() replaces @oldinstr with + * @newinstr. ".skip" directive takes care of proper instruction padding + * in case @newinstr is longer than @oldinstr. + */ +.macro ALTERNATIVE oldinstr, newinstr, feature + .pushsection .altinstr_replacement,"ax" +770: \newinstr +771: .popsection +772: \oldinstr +773: alt_len_check 770b, 771b + alt_len_check 772b, 773b + alt_pad ( ( 771b - 770b ) - ( 773b - 772b ) ) +774: .pushsection .altinstructions,"a" + alt_entry 772b, 774b, 770b, 771b, \feature + .popsection +.endm + +/* + * Define an alternative between two instructions. If @feature is + * present, early code in apply_alternatives() replaces @oldinstr with + * @newinstr. ".skip" directive takes care of proper instruction padding + * in case @newinstr is longer than @oldinstr. + */ +.macro ALTERNATIVE_2 oldinstr, newinstr1, feature1, newinstr2, feature2 + .pushsection .altinstr_replacement,"ax" +770: \newinstr1 +771: \newinstr2 +772: .popsection +773: \oldinstr +774: alt_len_check 770b, 771b + alt_len_check 771b, 772b + alt_len_check 773b, 774b + .if ( 771b - 770b > 772b - 771b ) + alt_pad ( ( 771b - 770b ) - ( 774b - 773b ) ) + .else + alt_pad ( ( 772b - 771b ) - ( 774b - 773b ) ) + .endif +775: .pushsection .altinstructions,"a" + alt_entry 773b, 775b, 770b, 771b,\feature1 + alt_entry 773b, 775b, 771b, 772b,\feature2 + .popsection +.endm + +#endif /* __ASSEMBLY__ */ + +#endif /* _ASM_S390_ALTERNATIVE_ASM_H */ diff --git a/arch/s390/include/asm/nospec-insn.h b/arch/s390/include/asm/nospec-insn.h new file mode 100644 index 000000000000..9a56e738d645 --- /dev/null +++ b/arch/s390/include/asm/nospec-insn.h @@ -0,0 +1,195 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_S390_NOSPEC_ASM_H +#define _ASM_S390_NOSPEC_ASM_H + +#include <asm/alternative-asm.h> +#include <asm/asm-offsets.h> + +#ifdef __ASSEMBLY__ + +#ifdef CONFIG_EXPOLINE + +_LC_BR_R1 = __LC_BR_R1 + +/* + * The expoline macros are used to create thunks in the same format + * as gcc generates them. The 'comdat' section flag makes sure that + * the various thunks are merged into a single copy. + */ + .macro __THUNK_PROLOG_NAME name + .pushsection .text.\name,"axG",@progbits,\name,comdat + .globl \name + .hidden \name + .type \name,@function +\name: + .cfi_startproc + .endm + + .macro __THUNK_EPILOG + .cfi_endproc + .popsection + .endm + + .macro __THUNK_PROLOG_BR r1,r2 + __THUNK_PROLOG_NAME __s390x_indirect_jump_r\r2()use_r\r1 + .endm + + .macro __THUNK_PROLOG_BC d0,r1,r2 + __THUNK_PROLOG_NAME __s390x_indirect_branch_\d0()_\r2()use_\r1 + .endm + + .macro __THUNK_BR r1,r2 + jg __s390x_indirect_jump_r\r2()use_r\r1 + .endm + + .macro __THUNK_BC d0,r1,r2 + jg __s390x_indirect_branch_\d0()_\r2()use_\r1 + .endm + + .macro __THUNK_BRASL r1,r2,r3 + brasl \r1,__s390x_indirect_jump_r\r3()use_r\r2 + .endm + + .macro __DECODE_RR expand,reg,ruse + .set __decode_fail,1 + .irp r1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 + .ifc \reg,%r\r1 + .irp r2,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 + .ifc \ruse,%r\r2 + \expand \r1,\r2 + .set __decode_fail,0 + .endif + .endr + .endif + .endr + .if __decode_fail == 1 + .error "__DECODE_RR failed" + .endif + .endm + + .macro __DECODE_RRR expand,rsave,rtarget,ruse + .set __decode_fail,1 + .irp r1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 + .ifc \rsave,%r\r1 + .irp r2,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 + .ifc \rtarget,%r\r2 + .irp r3,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 + .ifc \ruse,%r\r3 + \expand \r1,\r2,\r3 + .set __decode_fail,0 + .endif + .endr + .endif + .endr + .endif + .endr + .if __decode_fail == 1 + .error "__DECODE_RRR failed" + .endif + .endm + + .macro __DECODE_DRR expand,disp,reg,ruse + .set __decode_fail,1 + .irp r1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 + .ifc \reg,%r\r1 + .irp r2,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 + .ifc \ruse,%r\r2 + \expand \disp,\r1,\r2 + .set __decode_fail,0 + .endif + .endr + .endif + .endr + .if __decode_fail == 1 + .error "__DECODE_DRR failed" + .endif + .endm + + .macro __THUNK_EX_BR reg,ruse + # Be very careful when adding instructions to this macro! + # The ALTERNATIVE replacement code has a .+10 which targets + # the "br \reg" after the code has been patched. +#ifdef CONFIG_HAVE_MARCH_Z10_FEATURES + exrl 0,555f + j . +#else + .ifc \reg,%r1 + ALTERNATIVE "ex %r0,_LC_BR_R1", ".insn ril,0xc60000000000,0,.+10", 35 + j . + .else + larl \ruse,555f + ex 0,0(\ruse) + j . + .endif +#endif +555: br \reg + .endm + + .macro __THUNK_EX_BC disp,reg,ruse +#ifdef CONFIG_HAVE_MARCH_Z10_FEATURES + exrl 0,556f + j . +#else + larl \ruse,556f + ex 0,0(\ruse) + j . +#endif +556: b \disp(\reg) + .endm + + .macro GEN_BR_THUNK reg,ruse=%r1 + __DECODE_RR __THUNK_PROLOG_BR,\reg,\ruse + __THUNK_EX_BR \reg,\ruse + __THUNK_EPILOG + .endm + + .macro GEN_B_THUNK disp,reg,ruse=%r1 + __DECODE_DRR __THUNK_PROLOG_BC,\disp,\reg,\ruse + __THUNK_EX_BC \disp,\reg,\ruse + __THUNK_EPILOG + .endm + + .macro BR_EX reg,ruse=%r1 +557: __DECODE_RR __THUNK_BR,\reg,\ruse + .pushsection .s390_indirect_branches,"a",@progbits + .long 557b-. + .popsection + .endm + + .macro B_EX disp,reg,ruse=%r1 +558: __DECODE_DRR __THUNK_BC,\disp,\reg,\ruse + .pushsection .s390_indirect_branches,"a",@progbits + .long 558b-. + .popsection + .endm + + .macro BASR_EX rsave,rtarget,ruse=%r1 +559: __DECODE_RRR __THUNK_BRASL,\rsave,\rtarget,\ruse + .pushsection .s390_indirect_branches,"a",@progbits + .long 559b-. + .popsection + .endm + +#else + .macro GEN_BR_THUNK reg,ruse=%r1 + .endm + + .macro GEN_B_THUNK disp,reg,ruse=%r1 + .endm + + .macro BR_EX reg,ruse=%r1 + br \reg + .endm + + .macro B_EX disp,reg,ruse=%r1 + b \disp(\reg) + .endm + + .macro BASR_EX rsave,rtarget,ruse=%r1 + basr \rsave,\rtarget + .endm +#endif + +#endif /* __ASSEMBLY__ */ + +#endif /* _ASM_S390_NOSPEC_ASM_H */ diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile index 0501cac2ab95..5b139977a3a4 100644 --- a/arch/s390/kernel/Makefile +++ b/arch/s390/kernel/Makefile @@ -63,6 +63,7 @@ obj-y += nospec-branch.o
extra-y += head.o head64.o vmlinux.lds
+obj-$(CONFIG_SYSFS) += nospec-sysfs.o CFLAGS_REMOVE_nospec-branch.o += $(CC_FLAGS_EXPOLINE)
obj-$(CONFIG_MODULES) += module.o diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c index f3df9e0a5dec..85c8ead29582 100644 --- a/arch/s390/kernel/asm-offsets.c +++ b/arch/s390/kernel/asm-offsets.c @@ -175,6 +175,7 @@ int main(void) OFFSET(__LC_MACHINE_FLAGS, lowcore, machine_flags); OFFSET(__LC_GMAP, lowcore, gmap); OFFSET(__LC_PASTE, lowcore, paste); + OFFSET(__LC_BR_R1, lowcore, br_r1_trampoline); /* software defined ABI-relevant lowcore locations 0xe00 - 0xe20 */ OFFSET(__LC_DUMP_REIPL, lowcore, ipib); /* hardware defined lowcore locations 0x1000 - 0x18ff */ diff --git a/arch/s390/kernel/base.S b/arch/s390/kernel/base.S index 326f717df587..61fca549a93b 100644 --- a/arch/s390/kernel/base.S +++ b/arch/s390/kernel/base.S @@ -8,18 +8,22 @@
#include <linux/linkage.h> #include <asm/asm-offsets.h> +#include <asm/nospec-insn.h> #include <asm/ptrace.h> #include <asm/sigp.h>
+ GEN_BR_THUNK %r9 + GEN_BR_THUNK %r14 + ENTRY(s390_base_mcck_handler) basr %r13,0 0: lg %r15,__LC_PANIC_STACK # load panic stack aghi %r15,-STACK_FRAME_OVERHEAD larl %r1,s390_base_mcck_handler_fn - lg %r1,0(%r1) - ltgr %r1,%r1 + lg %r9,0(%r1) + ltgr %r9,%r9 jz 1f - basr %r14,%r1 + BASR_EX %r14,%r9 1: la %r1,4095 lmg %r0,%r15,__LC_GPREGS_SAVE_AREA-4095(%r1) lpswe __LC_MCK_OLD_PSW @@ -36,10 +40,10 @@ ENTRY(s390_base_ext_handler) basr %r13,0 0: aghi %r15,-STACK_FRAME_OVERHEAD larl %r1,s390_base_ext_handler_fn - lg %r1,0(%r1) - ltgr %r1,%r1 + lg %r9,0(%r1) + ltgr %r9,%r9 jz 1f - basr %r14,%r1 + BASR_EX %r14,%r9 1: lmg %r0,%r15,__LC_SAVE_AREA_ASYNC ni __LC_EXT_OLD_PSW+1,0xfd # clear wait state bit lpswe __LC_EXT_OLD_PSW @@ -56,10 +60,10 @@ ENTRY(s390_base_pgm_handler) basr %r13,0 0: aghi %r15,-STACK_FRAME_OVERHEAD larl %r1,s390_base_pgm_handler_fn - lg %r1,0(%r1) - ltgr %r1,%r1 + lg %r9,0(%r1) + ltgr %r9,%r9 jz 1f - basr %r14,%r1 + BASR_EX %r14,%r9 lmg %r0,%r15,__LC_SAVE_AREA_SYNC lpswe __LC_PGM_OLD_PSW 1: lpswe disabled_wait_psw-0b(%r13) @@ -116,7 +120,7 @@ ENTRY(diag308_reset) larl %r4,.Lcontinue_psw # Restore PSW flags lpswe 0(%r4) .Lcontinue: - br %r14 + BR_EX %r14 .align 16 .Lrestart_psw: .long 0x00080000,0x80000000 + .Lrestart_part2 diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 1996afeb2e81..a4fd00064c80 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -24,6 +24,7 @@ #include <asm/setup.h> #include <asm/nmi.h> #include <asm/export.h> +#include <asm/nospec-insn.h>
__PT_R0 = __PT_GPRS __PT_R1 = __PT_GPRS + 8 @@ -226,67 +227,9 @@ _PIF_WORK = (_PIF_PER_TRAP) .popsection .endm
-#ifdef CONFIG_EXPOLINE - - .macro GEN_BR_THUNK name,reg,tmp - .section .text.\name,"axG",@progbits,\name,comdat - .globl \name - .hidden \name - .type \name,@function -\name: - .cfi_startproc -#ifdef CONFIG_HAVE_MARCH_Z10_FEATURES - exrl 0,0f -#else - larl \tmp,0f - ex 0,0(\tmp) -#endif - j . -0: br \reg - .cfi_endproc - .endm - - GEN_BR_THUNK __s390x_indirect_jump_r1use_r9,%r9,%r1 - GEN_BR_THUNK __s390x_indirect_jump_r1use_r14,%r14,%r1 - GEN_BR_THUNK __s390x_indirect_jump_r11use_r14,%r14,%r11 - - .macro BASR_R14_R9 -0: brasl %r14,__s390x_indirect_jump_r1use_r9 - .pushsection .s390_indirect_branches,"a",@progbits - .long 0b-. - .popsection - .endm - - .macro BR_R1USE_R14 -0: jg __s390x_indirect_jump_r1use_r14 - .pushsection .s390_indirect_branches,"a",@progbits - .long 0b-. - .popsection - .endm - - .macro BR_R11USE_R14 -0: jg __s390x_indirect_jump_r11use_r14 - .pushsection .s390_indirect_branches,"a",@progbits - .long 0b-. - .popsection - .endm - -#else /* CONFIG_EXPOLINE */ - - .macro BASR_R14_R9 - basr %r14,%r9 - .endm - - .macro BR_R1USE_R14 - br %r14 - .endm - - .macro BR_R11USE_R14 - br %r14 - .endm - -#endif /* CONFIG_EXPOLINE */ - + GEN_BR_THUNK %r9 + GEN_BR_THUNK %r14 + GEN_BR_THUNK %r14,%r11
.section .kprobes.text, "ax" .Ldummy: @@ -303,7 +246,7 @@ _PIF_WORK = (_PIF_PER_TRAP) ENTRY(__bpon) .globl __bpon BPON - BR_R1USE_R14 + BR_EX %r14
/* * Scheduler resume function, called by switch_to @@ -333,7 +276,7 @@ ENTRY(__switch_to) TSTMSK __LC_MACHINE_FLAGS,MACHINE_FLAG_LPP jz 0f .insn s,0xb2800000,__LC_LPP # set program parameter -0: BR_R1USE_R14 +0: BR_EX %r14
.L__critical_start:
@@ -399,7 +342,7 @@ sie_exit: xgr %r5,%r5 lmg %r6,%r14,__SF_GPRS(%r15) # restore kernel registers lg %r2,__SF_EMPTY+16(%r15) # return exit reason code - BR_R1USE_R14 + BR_EX %r14 .Lsie_fault: lghi %r14,-EFAULT stg %r14,__SF_EMPTY+16(%r15) # set exit reason code @@ -458,7 +401,7 @@ ENTRY(system_call) lgf %r9,0(%r8,%r10) # get system call add. TSTMSK __TI_flags(%r12),_TIF_TRACE jnz .Lsysc_tracesys - BASR_R14_R9 # call sys_xxxx + BASR_EX %r14,%r9 # call sys_xxxx stg %r2,__PT_R2(%r11) # store return value
.Lsysc_return: @@ -598,7 +541,7 @@ ENTRY(system_call) lmg %r3,%r7,__PT_R3(%r11) stg %r7,STACK_FRAME_OVERHEAD(%r15) lg %r2,__PT_ORIG_GPR2(%r11) - BASR_R14_R9 # call sys_xxx + BASR_EX %r14,%r9 # call sys_xxx stg %r2,__PT_R2(%r11) # store return value .Lsysc_tracenogo: TSTMSK __TI_flags(%r12),_TIF_TRACE @@ -622,7 +565,7 @@ ENTRY(ret_from_fork) lmg %r9,%r10,__PT_R9(%r11) # load gprs ENTRY(kernel_thread_starter) la %r2,0(%r10) - BASR_R14_R9 + BASR_EX %r14,%r9 j .Lsysc_tracenogo
/* @@ -698,7 +641,7 @@ ENTRY(pgm_check_handler) je .Lpgm_return lgf %r9,0(%r10,%r1) # load address of handler routine lgr %r2,%r11 # pass pointer to pt_regs - BASR_R14_R9 # branch to interrupt-handler + BASR_EX %r14,%r9 # branch to interrupt-handler .Lpgm_return: LOCKDEP_SYS_EXIT tm __PT_PSW+1(%r11),0x01 # returning to user ? @@ -976,7 +919,7 @@ ENTRY(psw_idle) stpt __TIMER_IDLE_ENTER(%r2) .Lpsw_idle_lpsw: lpswe __SF_EMPTY(%r15) - BR_R1USE_R14 + BR_EX %r14 .Lpsw_idle_end:
/* @@ -1021,7 +964,7 @@ ENTRY(save_fpu_regs) .Lsave_fpu_regs_done: oi __LC_CPU_FLAGS+7,_CIF_FPU .Lsave_fpu_regs_exit: - BR_R1USE_R14 + BR_EX %r14 .Lsave_fpu_regs_end: #if IS_ENABLED(CONFIG_KVM) EXPORT_SYMBOL(save_fpu_regs) @@ -1071,7 +1014,7 @@ load_fpu_regs: .Lload_fpu_regs_done: ni __LC_CPU_FLAGS+7,255-_CIF_FPU .Lload_fpu_regs_exit: - BR_R1USE_R14 + BR_EX %r14 .Lload_fpu_regs_end:
.L__critical_end: @@ -1244,7 +1187,7 @@ cleanup_critical: jl 0f clg %r9,BASED(.Lcleanup_table+104) # .Lload_fpu_regs_end jl .Lcleanup_load_fpu_regs -0: BR_R11USE_R14 +0: BR_EX %r14
.align 8 .Lcleanup_table: @@ -1274,7 +1217,7 @@ cleanup_critical: ni __SIE_PROG0C+3(%r9),0xfe # no longer in SIE lctlg %c1,%c1,__LC_USER_ASCE # load primary asce larl %r9,sie_exit # skip forward to sie_exit - BR_R11USE_R14 + BR_EX %r14 #endif
.Lcleanup_system_call: @@ -1332,7 +1275,7 @@ cleanup_critical: stg %r15,56(%r11) # r15 stack pointer # set new psw address and exit larl %r9,.Lsysc_do_svc - BR_R11USE_R14 + BR_EX %r14,%r11 .Lcleanup_system_call_insn: .quad system_call .quad .Lsysc_stmg @@ -1342,7 +1285,7 @@ cleanup_critical:
.Lcleanup_sysc_tif: larl %r9,.Lsysc_tif - BR_R11USE_R14 + BR_EX %r14,%r11
.Lcleanup_sysc_restore: # check if stpt has been executed @@ -1359,14 +1302,14 @@ cleanup_critical: mvc 0(64,%r11),__PT_R8(%r9) lmg %r0,%r7,__PT_R0(%r9) 1: lmg %r8,%r9,__LC_RETURN_PSW - BR_R11USE_R14 + BR_EX %r14,%r11 .Lcleanup_sysc_restore_insn: .quad .Lsysc_exit_timer .quad .Lsysc_done - 4
.Lcleanup_io_tif: larl %r9,.Lio_tif - BR_R11USE_R14 + BR_EX %r14,%r11
.Lcleanup_io_restore: # check if stpt has been executed @@ -1380,7 +1323,7 @@ cleanup_critical: mvc 0(64,%r11),__PT_R8(%r9) lmg %r0,%r7,__PT_R0(%r9) 1: lmg %r8,%r9,__LC_RETURN_PSW - BR_R11USE_R14 + BR_EX %r14,%r11 .Lcleanup_io_restore_insn: .quad .Lio_exit_timer .quad .Lio_done - 4 @@ -1433,17 +1376,17 @@ cleanup_critical: # prepare return psw nihh %r8,0xfcfd # clear irq & wait state bits lg %r9,48(%r11) # return from psw_idle - BR_R11USE_R14 + BR_EX %r14,%r11 .Lcleanup_idle_insn: .quad .Lpsw_idle_lpsw
.Lcleanup_save_fpu_regs: larl %r9,save_fpu_regs - BR_R11USE_R14 + BR_EX %r14,%r11
.Lcleanup_load_fpu_regs: larl %r9,load_fpu_regs - BR_R11USE_R14 + BR_EX %r14,%r11
/* * Integer constants diff --git a/arch/s390/kernel/mcount.S b/arch/s390/kernel/mcount.S index 9a17e4475d27..be75e8e49e43 100644 --- a/arch/s390/kernel/mcount.S +++ b/arch/s390/kernel/mcount.S @@ -8,13 +8,17 @@ #include <linux/linkage.h> #include <asm/asm-offsets.h> #include <asm/ftrace.h> +#include <asm/nospec-insn.h> #include <asm/ptrace.h> #include <asm/export.h>
+ GEN_BR_THUNK %r1 + GEN_BR_THUNK %r14 + .section .kprobes.text, "ax"
ENTRY(ftrace_stub) - br %r14 + BR_EX %r14
#define STACK_FRAME_SIZE (STACK_FRAME_OVERHEAD + __PT_SIZE) #define STACK_PTREGS (STACK_FRAME_OVERHEAD) @@ -22,7 +26,7 @@ ENTRY(ftrace_stub) #define STACK_PTREGS_PSW (STACK_PTREGS + __PT_PSW)
ENTRY(_mcount) - br %r14 + BR_EX %r14
EXPORT_SYMBOL(_mcount)
@@ -52,7 +56,7 @@ ENTRY(ftrace_caller) #endif lgr %r3,%r14 la %r5,STACK_PTREGS(%r15) - basr %r14,%r1 + BASR_EX %r14,%r1 #ifdef CONFIG_FUNCTION_GRAPH_TRACER # The j instruction gets runtime patched to a nop instruction. # See ftrace_enable_ftrace_graph_caller. @@ -67,7 +71,7 @@ ftrace_graph_caller_end: #endif lg %r1,(STACK_PTREGS_PSW+8)(%r15) lmg %r2,%r15,(STACK_PTREGS_GPRS+2*8)(%r15) - br %r1 + BR_EX %r1
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
@@ -80,6 +84,6 @@ ENTRY(return_to_handler) aghi %r15,STACK_FRAME_OVERHEAD lgr %r14,%r2 lmg %r2,%r5,32(%r15) - br %r14 + BR_EX %r14
#endif diff --git a/arch/s390/kernel/nospec-branch.c b/arch/s390/kernel/nospec-branch.c index 9f3b5b382743..d5eed651b5ab 100644 --- a/arch/s390/kernel/nospec-branch.c +++ b/arch/s390/kernel/nospec-branch.c @@ -44,24 +44,6 @@ static int __init nospec_report(void) } arch_initcall(nospec_report);
-#ifdef CONFIG_SYSFS -ssize_t cpu_show_spectre_v1(struct device *dev, - struct device_attribute *attr, char *buf) -{ - return sprintf(buf, "Mitigation: __user pointer sanitization\n"); -} - -ssize_t cpu_show_spectre_v2(struct device *dev, - struct device_attribute *attr, char *buf) -{ - if (IS_ENABLED(CC_USING_EXPOLINE) && !nospec_disable) - return sprintf(buf, "Mitigation: execute trampolines\n"); - if (__test_facility(82, S390_lowcore.alt_stfle_fac_list)) - return sprintf(buf, "Mitigation: limited branch prediction.\n"); - return sprintf(buf, "Vulnerable\n"); -} -#endif - #ifdef CONFIG_EXPOLINE
int nospec_disable = IS_ENABLED(CONFIG_EXPOLINE_OFF); @@ -112,7 +94,6 @@ static void __init_or_module __nospec_revert(s32 *start, s32 *end) s32 *epo;
/* Second part of the instruction replace is always a nop */ - memcpy(insnbuf + 2, (char[]) { 0x47, 0x00, 0x00, 0x00 }, 4); for (epo = start; epo < end; epo++) { instr = (u8 *) epo + *epo; if (instr[0] == 0xc0 && (instr[1] & 0x0f) == 0x04) @@ -133,18 +114,34 @@ static void __init_or_module __nospec_revert(s32 *start, s32 *end) br = thunk + (*(int *)(thunk + 2)) * 2; else continue; - if (br[0] != 0x07 || (br[1] & 0xf0) != 0xf0) + /* Check for unconditional branch 0x07f? or 0x47f???? */ + if ((br[0] & 0xbf) != 0x07 || (br[1] & 0xf0) != 0xf0) continue; + + memcpy(insnbuf + 2, (char[]) { 0x47, 0x00, 0x07, 0x00 }, 4); switch (type) { case BRCL_EXPOLINE: - /* brcl to thunk, replace with br + nop */ insnbuf[0] = br[0]; insnbuf[1] = (instr[1] & 0xf0) | (br[1] & 0x0f); + if (br[0] == 0x47) { + /* brcl to b, replace with bc + nopr */ + insnbuf[2] = br[2]; + insnbuf[3] = br[3]; + } else { + /* brcl to br, replace with bcr + nop */ + } break; case BRASL_EXPOLINE: - /* brasl to thunk, replace with basr + nop */ - insnbuf[0] = 0x0d; insnbuf[1] = (instr[1] & 0xf0) | (br[1] & 0x0f); + if (br[0] == 0x47) { + /* brasl to b, replace with bas + nopr */ + insnbuf[0] = 0x4d; + insnbuf[2] = br[2]; + insnbuf[3] = br[3]; + } else { + /* brasl to br, replace with basr + nop */ + insnbuf[0] = 0x0d; + } break; }
diff --git a/arch/s390/kernel/nospec-sysfs.c b/arch/s390/kernel/nospec-sysfs.c new file mode 100644 index 000000000000..8affad5f18cb --- /dev/null +++ b/arch/s390/kernel/nospec-sysfs.c @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/device.h> +#include <linux/cpu.h> +#include <asm/facility.h> +#include <asm/nospec-branch.h> + +ssize_t cpu_show_spectre_v1(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "Mitigation: __user pointer sanitization\n"); +} + +ssize_t cpu_show_spectre_v2(struct device *dev, + struct device_attribute *attr, char *buf) +{ + if (IS_ENABLED(CC_USING_EXPOLINE) && !nospec_disable) + return sprintf(buf, "Mitigation: execute trampolines\n"); + if (__test_facility(82, S390_lowcore.alt_stfle_fac_list)) + return sprintf(buf, "Mitigation: limited branch prediction\n"); + return sprintf(buf, "Vulnerable\n"); +} diff --git a/arch/s390/kernel/reipl.S b/arch/s390/kernel/reipl.S index 89ea8c213d82..70d635da782c 100644 --- a/arch/s390/kernel/reipl.S +++ b/arch/s390/kernel/reipl.S @@ -6,8 +6,11 @@
#include <linux/linkage.h> #include <asm/asm-offsets.h> +#include <asm/nospec-insn.h> #include <asm/sigp.h>
+ GEN_BR_THUNK %r9 + # # Issue "store status" for the current CPU to its prefix page # and call passed function afterwards @@ -66,9 +69,9 @@ ENTRY(store_status) st %r4,0(%r1) st %r5,4(%r1) stg %r2,8(%r1) - lgr %r1,%r2 + lgr %r9,%r2 lgr %r2,%r3 - br %r1 + BR_EX %r9
.section .bss .align 8 diff --git a/arch/s390/kernel/swsusp.S b/arch/s390/kernel/swsusp.S index 2d6b6e81f812..4e76aaf7bb38 100644 --- a/arch/s390/kernel/swsusp.S +++ b/arch/s390/kernel/swsusp.S @@ -12,6 +12,7 @@ #include <asm/ptrace.h> #include <asm/thread_info.h> #include <asm/asm-offsets.h> +#include <asm/nospec-insn.h> #include <asm/sigp.h>
/* @@ -23,6 +24,8 @@ * (see below) in the resume process. * This function runs with disabled interrupts. */ + GEN_BR_THUNK %r14 + .section .text ENTRY(swsusp_arch_suspend) stmg %r6,%r15,__SF_GPRS(%r15) @@ -102,7 +105,7 @@ ENTRY(swsusp_arch_suspend) spx 0x318(%r1) lmg %r6,%r15,STACK_FRAME_OVERHEAD + __SF_GPRS(%r15) lghi %r2,0 - br %r14 + BR_EX %r14
/* * Restore saved memory image to correct place and restore register context. @@ -200,7 +203,7 @@ pgm_check_entry: lghi %r1,0 sam31 sigp %r1,%r0,SIGP_SET_ARCHITECTURE - basr %r14,%r3 + brasl %r14,_sclp_print_early larl %r3,.Ldisabled_wait_31 lpsw 0(%r3) 4: @@ -266,7 +269,7 @@ restore_registers: /* Return 0 */ lmg %r6,%r15,STACK_FRAME_OVERHEAD + __SF_GPRS(%r15) lghi %r2,0 - br %r14 + BR_EX %r14
.section .data..nosave,"aw",@progbits .align 8 diff --git a/arch/s390/lib/mem.S b/arch/s390/lib/mem.S index be9fa65bfac4..e7672edc284a 100644 --- a/arch/s390/lib/mem.S +++ b/arch/s390/lib/mem.S @@ -6,6 +6,9 @@
#include <linux/linkage.h> #include <asm/export.h> +#include <asm/nospec-insn.h> + + GEN_BR_THUNK %r14
/* * memset implementation @@ -39,7 +42,7 @@ ENTRY(memset) .Lmemset_clear_rest: larl %r3,.Lmemset_xc ex %r4,0(%r3) - br %r14 + BR_EX %r14 .Lmemset_fill: stc %r3,0(%r2) cghi %r4,1 @@ -56,7 +59,7 @@ ENTRY(memset) .Lmemset_fill_rest: larl %r3,.Lmemset_mvc ex %r4,0(%r3) - br %r14 + BR_EX %r14 .Lmemset_xc: xc 0(1,%r1),0(%r1) .Lmemset_mvc: @@ -79,7 +82,7 @@ ENTRY(memcpy) .Lmemcpy_rest: larl %r5,.Lmemcpy_mvc ex %r4,0(%r5) - br %r14 + BR_EX %r14 .Lmemcpy_loop: mvc 0(256,%r1),0(%r3) la %r1,256(%r1) diff --git a/arch/s390/net/bpf_jit.S b/arch/s390/net/bpf_jit.S index a1c917d881ec..fa716f2a95a7 100644 --- a/arch/s390/net/bpf_jit.S +++ b/arch/s390/net/bpf_jit.S @@ -8,6 +8,7 @@ */
#include <linux/linkage.h> +#include <asm/nospec-insn.h> #include "bpf_jit.h"
/* @@ -53,7 +54,7 @@ ENTRY(sk_load_##NAME##_pos); \ clg %r3,STK_OFF_HLEN(%r15); /* Offset + SIZE > hlen? */ \ jh sk_load_##NAME##_slow; \ LOAD %r14,-SIZE(%r3,%r12); /* Get data from skb */ \ - b OFF_OK(%r6); /* Return */ \ + B_EX OFF_OK,%r6; /* Return */ \ \ sk_load_##NAME##_slow:; \ lgr %r2,%r7; /* Arg1 = skb pointer */ \ @@ -63,11 +64,14 @@ sk_load_##NAME##_slow:; \ brasl %r14,skb_copy_bits; /* Get data from skb */ \ LOAD %r14,STK_OFF_TMP(%r15); /* Load from temp bufffer */ \ ltgr %r2,%r2; /* Set cc to (%r2 != 0) */ \ - br %r6; /* Return */ + BR_EX %r6; /* Return */
sk_load_common(word, 4, llgf) /* r14 = *(u32 *) (skb->data+offset) */ sk_load_common(half, 2, llgh) /* r14 = *(u16 *) (skb->data+offset) */
+ GEN_BR_THUNK %r6 + GEN_B_THUNK OFF_OK,%r6 + /* * Load 1 byte from SKB (optimized version) */ @@ -79,7 +83,7 @@ ENTRY(sk_load_byte_pos) clg %r3,STK_OFF_HLEN(%r15) # Offset >= hlen? jnl sk_load_byte_slow llgc %r14,0(%r3,%r12) # Get byte from skb - b OFF_OK(%r6) # Return OK + B_EX OFF_OK,%r6 # Return OK
sk_load_byte_slow: lgr %r2,%r7 # Arg1 = skb pointer @@ -89,7 +93,7 @@ sk_load_byte_slow: brasl %r14,skb_copy_bits # Get data from skb llgc %r14,STK_OFF_TMP(%r15) # Load result from temp buffer ltgr %r2,%r2 # Set cc to (%r2 != 0) - br %r6 # Return cc + BR_EX %r6 # Return cc
#define sk_negative_common(NAME, SIZE, LOAD) \ sk_load_##NAME##_slow_neg:; \ @@ -103,7 +107,7 @@ sk_load_##NAME##_slow_neg:; \ jz bpf_error; \ LOAD %r14,0(%r2); /* Get data from pointer */ \ xr %r3,%r3; /* Set cc to zero */ \ - br %r6; /* Return cc */ + BR_EX %r6; /* Return cc */
sk_negative_common(word, 4, llgf) sk_negative_common(half, 2, llgh) @@ -112,4 +116,4 @@ sk_negative_common(byte, 1, llgc) bpf_error: # force a return 0 from jit handler ltgr %r15,%r15 # Set condition code - br %r6 + BR_EX %r6 diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index e8dee623d545..e7ce2577f0c9 100644 --- a/arch/s390/net/bpf_jit_comp.c +++ b/arch/s390/net/bpf_jit_comp.c @@ -24,6 +24,8 @@ #include <linux/bpf.h> #include <asm/cacheflush.h> #include <asm/dis.h> +#include <asm/facility.h> +#include <asm/nospec-branch.h> #include "bpf_jit.h"
int bpf_jit_enable __read_mostly; @@ -41,6 +43,8 @@ struct bpf_jit { int base_ip; /* Base address for literal pool */ int ret0_ip; /* Address of return 0 */ int exit_ip; /* Address of exit */ + int r1_thunk_ip; /* Address of expoline thunk for 'br %r1' */ + int r14_thunk_ip; /* Address of expoline thunk for 'br %r14' */ int tail_call_start; /* Tail call start offset */ int labels[1]; /* Labels for local jumps */ }; @@ -251,6 +255,19 @@ static inline void reg_set_seen(struct bpf_jit *jit, u32 b1) REG_SET_SEEN(b2); \ })
+#define EMIT6_PCREL_RILB(op, b, target) \ +({ \ + int rel = (target - jit->prg) / 2; \ + _EMIT6(op | reg_high(b) << 16 | rel >> 16, rel & 0xffff); \ + REG_SET_SEEN(b); \ +}) + +#define EMIT6_PCREL_RIL(op, target) \ +({ \ + int rel = (target - jit->prg) / 2; \ + _EMIT6(op | rel >> 16, rel & 0xffff); \ +}) + #define _EMIT6_IMM(op, imm) \ ({ \ unsigned int __imm = (imm); \ @@ -470,8 +487,45 @@ static void bpf_jit_epilogue(struct bpf_jit *jit) EMIT4(0xb9040000, REG_2, BPF_REG_0); /* Restore registers */ save_restore_regs(jit, REGS_RESTORE); + if (IS_ENABLED(CC_USING_EXPOLINE) && !nospec_disable) { + jit->r14_thunk_ip = jit->prg; + /* Generate __s390_indirect_jump_r14 thunk */ + if (test_facility(35)) { + /* exrl %r0,.+10 */ + EMIT6_PCREL_RIL(0xc6000000, jit->prg + 10); + } else { + /* larl %r1,.+14 */ + EMIT6_PCREL_RILB(0xc0000000, REG_1, jit->prg + 14); + /* ex 0,0(%r1) */ + EMIT4_DISP(0x44000000, REG_0, REG_1, 0); + } + /* j . */ + EMIT4_PCREL(0xa7f40000, 0); + } /* br %r14 */ _EMIT2(0x07fe); + + if (IS_ENABLED(CC_USING_EXPOLINE) && !nospec_disable && + (jit->seen & SEEN_FUNC)) { + jit->r1_thunk_ip = jit->prg; + /* Generate __s390_indirect_jump_r1 thunk */ + if (test_facility(35)) { + /* exrl %r0,.+10 */ + EMIT6_PCREL_RIL(0xc6000000, jit->prg + 10); + /* j . */ + EMIT4_PCREL(0xa7f40000, 0); + /* br %r1 */ + _EMIT2(0x07f1); + } else { + /* larl %r1,.+14 */ + EMIT6_PCREL_RILB(0xc0000000, REG_1, jit->prg + 14); + /* ex 0,S390_lowcore.br_r1_tampoline */ + EMIT4_DISP(0x44000000, REG_0, REG_0, + offsetof(struct lowcore, br_r1_trampoline)); + /* j . */ + EMIT4_PCREL(0xa7f40000, 0); + } + } }
/* @@ -977,8 +1031,13 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, int i /* lg %w1,<d(imm)>(%l) */ EMIT6_DISP_LH(0xe3000000, 0x0004, REG_W1, REG_0, REG_L, EMIT_CONST_U64(func)); - /* basr %r14,%w1 */ - EMIT2(0x0d00, REG_14, REG_W1); + if (IS_ENABLED(CC_USING_EXPOLINE) && !nospec_disable) { + /* brasl %r14,__s390_indirect_jump_r1 */ + EMIT6_PCREL_RILB(0xc0050000, REG_14, jit->r1_thunk_ip); + } else { + /* basr %r14,%w1 */ + EMIT2(0x0d00, REG_14, REG_W1); + } /* lgr %b0,%r2: load return value into %b0 */ EMIT4(0xb9040000, BPF_REG_0, REG_2); if (bpf_helper_changes_skb_data((void *)func)) { diff --git a/arch/x86/kernel/machine_kexec_32.c b/arch/x86/kernel/machine_kexec_32.c index 469b23d6acc2..fd7e9937ddd6 100644 --- a/arch/x86/kernel/machine_kexec_32.c +++ b/arch/x86/kernel/machine_kexec_32.c @@ -71,12 +71,17 @@ static void load_segments(void) static void machine_kexec_free_page_tables(struct kimage *image) { free_page((unsigned long)image->arch.pgd); + image->arch.pgd = NULL; #ifdef CONFIG_X86_PAE free_page((unsigned long)image->arch.pmd0); + image->arch.pmd0 = NULL; free_page((unsigned long)image->arch.pmd1); + image->arch.pmd1 = NULL; #endif free_page((unsigned long)image->arch.pte0); + image->arch.pte0 = NULL; free_page((unsigned long)image->arch.pte1); + image->arch.pte1 = NULL; }
static int machine_kexec_alloc_page_tables(struct kimage *image) @@ -93,7 +98,6 @@ static int machine_kexec_alloc_page_tables(struct kimage *image) !image->arch.pmd0 || !image->arch.pmd1 || #endif !image->arch.pte0 || !image->arch.pte1) { - machine_kexec_free_page_tables(image); return -ENOMEM; } return 0; diff --git a/arch/x86/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c index a5784a14f8d1..eae59cad0b07 100644 --- a/arch/x86/kernel/machine_kexec_64.c +++ b/arch/x86/kernel/machine_kexec_64.c @@ -37,8 +37,11 @@ static struct kexec_file_ops *kexec_file_loaders[] = { static void free_transition_pgtable(struct kimage *image) { free_page((unsigned long)image->arch.pud); + image->arch.pud = NULL; free_page((unsigned long)image->arch.pmd); + image->arch.pmd = NULL; free_page((unsigned long)image->arch.pte); + image->arch.pte = NULL; }
static int init_transition_pgtable(struct kimage *image, pgd_t *pgd) @@ -79,7 +82,6 @@ static int init_transition_pgtable(struct kimage *image, pgd_t *pgd) set_pte(pte, pfn_pte(paddr >> PAGE_SHIFT, PAGE_KERNEL_EXEC)); return 0; err: - free_transition_pgtable(image); return result; }
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 3257647d4f74..bff67c5a5fe7 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -345,6 +345,9 @@ static const struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK }, { USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK },
+ /* Additional Realtek 8723BU Bluetooth devices */ + { USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK }, + /* Additional Realtek 8821AE Bluetooth devices */ { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK }, { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK }, @@ -352,6 +355,9 @@ static const struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK }, { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK },
+ /* Additional Realtek 8822BE Bluetooth devices */ + { USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK }, + /* Silicon Wave based devices */ { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE },
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 0cdb8550729d..c745dad7f85e 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -1929,6 +1929,9 @@ static int clk_core_get_phase(struct clk_core *core) int ret;
clk_prepare_lock(); + /* Always try to update cached phase if possible */ + if (core->ops->get_phase) + core->phase = core->ops->get_phase(core->hw); ret = core->phase; clk_prepare_unlock();
diff --git a/drivers/clk/rockchip/clk-mmc-phase.c b/drivers/clk/rockchip/clk-mmc-phase.c index 077fcdc7908b..fe7d9ed1d436 100644 --- a/drivers/clk/rockchip/clk-mmc-phase.c +++ b/drivers/clk/rockchip/clk-mmc-phase.c @@ -58,6 +58,12 @@ static int rockchip_mmc_get_phase(struct clk_hw *hw) u16 degrees; u32 delay_num = 0;
+ /* See the comment for rockchip_mmc_set_phase below */ + if (!rate) { + pr_err("%s: invalid clk rate\n", __func__); + return -EINVAL; + } + raw_value = readl(mmc_clock->reg) >> (mmc_clock->shift);
degrees = (raw_value & ROCKCHIP_MMC_DEGREE_MASK) * 90; @@ -84,6 +90,23 @@ static int rockchip_mmc_set_phase(struct clk_hw *hw, int degrees) u32 raw_value; u32 delay;
+ /* + * The below calculation is based on the output clock from + * MMC host to the card, which expects the phase clock inherits + * the clock rate from its parent, namely the output clock + * provider of MMC host. However, things may go wrong if + * (1) It is orphan. + * (2) It is assigned to the wrong parent. + * + * This check help debug the case (1), which seems to be the + * most likely problem we often face and which makes it difficult + * for people to debug unstable mmc tuning results. + */ + if (!rate) { + pr_err("%s: invalid clk rate\n", __func__); + return -EINVAL; + } + nineties = degrees / 90; remainder = (degrees % 90);
diff --git a/drivers/clk/rockchip/clk-rk3228.c b/drivers/clk/rockchip/clk-rk3228.c index db6e5a9e6de6..53f16efbb8f4 100644 --- a/drivers/clk/rockchip/clk-rk3228.c +++ b/drivers/clk/rockchip/clk-rk3228.c @@ -369,7 +369,7 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = { RK2928_CLKSEL_CON(23), 5, 2, MFLAGS, 0, 6, DFLAGS, RK2928_CLKGATE_CON(2), 15, GFLAGS),
- COMPOSITE(SCLK_SDMMC, "sclk_sdmmc0", mux_mmc_src_p, 0, + COMPOSITE(SCLK_SDMMC, "sclk_sdmmc", mux_mmc_src_p, 0, RK2928_CLKSEL_CON(11), 8, 2, MFLAGS, 0, 8, DFLAGS, RK2928_CLKGATE_CON(2), 11, GFLAGS),
diff --git a/drivers/clk/samsung/clk-exynos3250.c b/drivers/clk/samsung/clk-exynos3250.c index 1b81e283f605..ed36728424a2 100644 --- a/drivers/clk/samsung/clk-exynos3250.c +++ b/drivers/clk/samsung/clk-exynos3250.c @@ -698,7 +698,7 @@ static const struct samsung_pll_rate_table exynos3250_epll_rates[] __initconst = PLL_36XX_RATE(144000000, 96, 2, 3, 0), PLL_36XX_RATE( 96000000, 128, 2, 4, 0), PLL_36XX_RATE( 84000000, 112, 2, 4, 0), - PLL_36XX_RATE( 80000004, 106, 2, 4, 43691), + PLL_36XX_RATE( 80000003, 106, 2, 4, 43691), PLL_36XX_RATE( 73728000, 98, 2, 4, 19923), PLL_36XX_RATE( 67737598, 270, 3, 5, 62285), PLL_36XX_RATE( 65535999, 174, 2, 5, 49982), @@ -734,7 +734,7 @@ static const struct samsung_pll_rate_table exynos3250_vpll_rates[] __initconst = PLL_36XX_RATE(148352005, 98, 2, 3, 59070), PLL_36XX_RATE(108000000, 144, 2, 4, 0), PLL_36XX_RATE( 74250000, 99, 2, 4, 0), - PLL_36XX_RATE( 74176002, 98, 3, 4, 59070), + PLL_36XX_RATE( 74176002, 98, 2, 4, 59070), PLL_36XX_RATE( 54054000, 216, 3, 5, 14156), PLL_36XX_RATE( 54000000, 144, 2, 5, 0), { /* sentinel */ } diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c index 27a227d6620c..6a0cb8a515e8 100644 --- a/drivers/clk/samsung/clk-exynos5250.c +++ b/drivers/clk/samsung/clk-exynos5250.c @@ -711,13 +711,13 @@ static const struct samsung_pll_rate_table epll_24mhz_tbl[] __initconst = { /* sorted in descending order */ /* PLL_36XX_RATE(rate, m, p, s, k) */ PLL_36XX_RATE(192000000, 64, 2, 2, 0), - PLL_36XX_RATE(180633600, 90, 3, 2, 20762), + PLL_36XX_RATE(180633605, 90, 3, 2, 20762), PLL_36XX_RATE(180000000, 90, 3, 2, 0), PLL_36XX_RATE(73728000, 98, 2, 4, 19923), - PLL_36XX_RATE(67737600, 90, 2, 4, 20762), + PLL_36XX_RATE(67737602, 90, 2, 4, 20762), PLL_36XX_RATE(49152000, 98, 3, 4, 19923), - PLL_36XX_RATE(45158400, 90, 3, 4, 20762), - PLL_36XX_RATE(32768000, 131, 3, 5, 4719), + PLL_36XX_RATE(45158401, 90, 3, 4, 20762), + PLL_36XX_RATE(32768001, 131, 3, 5, 4719), { }, };
diff --git a/drivers/clk/samsung/clk-exynos5260.c b/drivers/clk/samsung/clk-exynos5260.c index fd1d9bfc151b..8eae1752d700 100644 --- a/drivers/clk/samsung/clk-exynos5260.c +++ b/drivers/clk/samsung/clk-exynos5260.c @@ -65,7 +65,7 @@ static const struct samsung_pll_rate_table pll2650_24mhz_tbl[] __initconst = { PLL_36XX_RATE(480000000, 160, 2, 2, 0), PLL_36XX_RATE(432000000, 144, 2, 2, 0), PLL_36XX_RATE(400000000, 200, 3, 2, 0), - PLL_36XX_RATE(394073130, 459, 7, 2, 49282), + PLL_36XX_RATE(394073128, 459, 7, 2, 49282), PLL_36XX_RATE(333000000, 111, 2, 2, 0), PLL_36XX_RATE(300000000, 100, 2, 2, 0), PLL_36XX_RATE(266000000, 266, 3, 3, 0), diff --git a/drivers/clk/samsung/clk-exynos5433.c b/drivers/clk/samsung/clk-exynos5433.c index 2fe057326552..09cdd35dc434 100644 --- a/drivers/clk/samsung/clk-exynos5433.c +++ b/drivers/clk/samsung/clk-exynos5433.c @@ -725,7 +725,7 @@ static const struct samsung_pll_rate_table exynos5443_pll_rates[] __initconst = PLL_35XX_RATE(800000000U, 400, 6, 1), PLL_35XX_RATE(733000000U, 733, 12, 1), PLL_35XX_RATE(700000000U, 175, 3, 1), - PLL_35XX_RATE(667000000U, 222, 4, 1), + PLL_35XX_RATE(666000000U, 222, 4, 1), PLL_35XX_RATE(633000000U, 211, 4, 1), PLL_35XX_RATE(600000000U, 500, 5, 2), PLL_35XX_RATE(552000000U, 460, 5, 2), @@ -751,12 +751,12 @@ static const struct samsung_pll_rate_table exynos5443_pll_rates[] __initconst = /* AUD_PLL */ static const struct samsung_pll_rate_table exynos5443_aud_pll_rates[] __initconst = { PLL_36XX_RATE(400000000U, 200, 3, 2, 0), - PLL_36XX_RATE(393216000U, 197, 3, 2, -25690), + PLL_36XX_RATE(393216003U, 197, 3, 2, -25690), PLL_36XX_RATE(384000000U, 128, 2, 2, 0), - PLL_36XX_RATE(368640000U, 246, 4, 2, -15729), - PLL_36XX_RATE(361507200U, 181, 3, 2, -16148), - PLL_36XX_RATE(338688000U, 113, 2, 2, -6816), - PLL_36XX_RATE(294912000U, 98, 1, 3, 19923), + PLL_36XX_RATE(368639991U, 246, 4, 2, -15729), + PLL_36XX_RATE(361507202U, 181, 3, 2, -16148), + PLL_36XX_RATE(338687988U, 113, 2, 2, -6816), + PLL_36XX_RATE(294912002U, 98, 1, 3, 19923), PLL_36XX_RATE(288000000U, 96, 1, 3, 0), PLL_36XX_RATE(252000000U, 84, 1, 3, 0), { /* sentinel */ } diff --git a/drivers/clk/samsung/clk-exynos7.c b/drivers/clk/samsung/clk-exynos7.c index 5931a4140c3d..bbfa57b4e017 100644 --- a/drivers/clk/samsung/clk-exynos7.c +++ b/drivers/clk/samsung/clk-exynos7.c @@ -140,7 +140,7 @@ static const struct samsung_div_clock topc_div_clks[] __initconst = { };
static const struct samsung_pll_rate_table pll1460x_24mhz_tbl[] __initconst = { - PLL_36XX_RATE(491520000, 20, 1, 0, 31457), + PLL_36XX_RATE(491519897, 20, 1, 0, 31457), {}, };
diff --git a/drivers/clk/samsung/clk-s3c2410.c b/drivers/clk/samsung/clk-s3c2410.c index d7a1e772d95a..5f50037586ea 100644 --- a/drivers/clk/samsung/clk-s3c2410.c +++ b/drivers/clk/samsung/clk-s3c2410.c @@ -168,7 +168,7 @@ static struct samsung_pll_rate_table pll_s3c2410_12mhz_tbl[] __initdata = { PLL_35XX_RATE(226000000, 105, 1, 1), PLL_35XX_RATE(210000000, 132, 2, 1), /* 2410 common */ - PLL_35XX_RATE(203000000, 161, 3, 1), + PLL_35XX_RATE(202800000, 161, 3, 1), PLL_35XX_RATE(192000000, 88, 1, 1), PLL_35XX_RATE(186000000, 85, 1, 1), PLL_35XX_RATE(180000000, 82, 1, 1), @@ -178,18 +178,18 @@ static struct samsung_pll_rate_table pll_s3c2410_12mhz_tbl[] __initdata = { PLL_35XX_RATE(147000000, 90, 2, 1), PLL_35XX_RATE(135000000, 82, 2, 1), PLL_35XX_RATE(124000000, 116, 1, 2), - PLL_35XX_RATE(118000000, 150, 2, 2), + PLL_35XX_RATE(118500000, 150, 2, 2), PLL_35XX_RATE(113000000, 105, 1, 2), - PLL_35XX_RATE(101000000, 127, 2, 2), + PLL_35XX_RATE(101250000, 127, 2, 2), PLL_35XX_RATE(90000000, 112, 2, 2), - PLL_35XX_RATE(85000000, 105, 2, 2), + PLL_35XX_RATE(84750000, 105, 2, 2), PLL_35XX_RATE(79000000, 71, 1, 2), - PLL_35XX_RATE(68000000, 82, 2, 2), - PLL_35XX_RATE(56000000, 142, 2, 3), + PLL_35XX_RATE(67500000, 82, 2, 2), + PLL_35XX_RATE(56250000, 142, 2, 3), PLL_35XX_RATE(48000000, 120, 2, 3), - PLL_35XX_RATE(51000000, 161, 3, 3), + PLL_35XX_RATE(50700000, 161, 3, 3), PLL_35XX_RATE(45000000, 82, 1, 3), - PLL_35XX_RATE(34000000, 82, 2, 3), + PLL_35XX_RATE(33750000, 82, 2, 3), { /* sentinel */ }, };
diff --git a/drivers/clk/tegra/clk-pll.c b/drivers/clk/tegra/clk-pll.c index b3855360d6bc..66d1fc7dff58 100644 --- a/drivers/clk/tegra/clk-pll.c +++ b/drivers/clk/tegra/clk-pll.c @@ -1145,6 +1145,8 @@ static const struct clk_ops tegra_clk_pllu_ops = { .enable = clk_pllu_enable, .disable = clk_pll_disable, .recalc_rate = clk_pll_recalc_rate, + .round_rate = clk_pll_round_rate, + .set_rate = clk_pll_set_rate, };
static int _pll_fixed_mdiv(struct tegra_clk_pll_params *pll_params, diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-core.c b/drivers/crypto/sunxi-ss/sun4i-ss-core.c index 3ac6c6c4ad18..16bb66091cf0 100644 --- a/drivers/crypto/sunxi-ss/sun4i-ss-core.c +++ b/drivers/crypto/sunxi-ss/sun4i-ss-core.c @@ -422,6 +422,7 @@ static struct platform_driver sun4i_ss_driver = {
module_platform_driver(sun4i_ss_driver);
+MODULE_ALIAS("platform:sun4i-ss"); MODULE_DESCRIPTION("Allwinner Security System cryptographic accelerator"); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Corentin LABBE clabbe.montjoie@gmail.com"); diff --git a/drivers/media/dvb-core/dmxdev.c b/drivers/media/dvb-core/dmxdev.c index 7b67e1dd97fd..0418b5a0fb64 100644 --- a/drivers/media/dvb-core/dmxdev.c +++ b/drivers/media/dvb-core/dmxdev.c @@ -1071,7 +1071,7 @@ static int dvb_demux_do_ioctl(struct file *file, break;
default: - ret = -EINVAL; + ret = -ENOTTY; break; } mutex_unlock(&dmxdev->mutex); diff --git a/drivers/media/pci/cx23885/cx23885-cards.c b/drivers/media/pci/cx23885/cx23885-cards.c index 99ba8d6328f0..427ece11340b 100644 --- a/drivers/media/pci/cx23885/cx23885-cards.c +++ b/drivers/media/pci/cx23885/cx23885-cards.c @@ -2282,6 +2282,10 @@ void cx23885_card_setup(struct cx23885_dev *dev) &dev->i2c_bus[2].i2c_adap, "cx25840", 0x88 >> 1, NULL); if (dev->sd_cx25840) { + /* set host data for clk_freq configuration */ + v4l2_set_subdev_hostdata(dev->sd_cx25840, + &dev->clk_freq); + dev->sd_cx25840->grp_id = CX23885_HW_AV_CORE; v4l2_subdev_call(dev->sd_cx25840, core, load_fw); } diff --git a/drivers/media/pci/cx23885/cx23885-core.c b/drivers/media/pci/cx23885/cx23885-core.c index c86b1093ab99..dcbb3a260b52 100644 --- a/drivers/media/pci/cx23885/cx23885-core.c +++ b/drivers/media/pci/cx23885/cx23885-core.c @@ -872,6 +872,16 @@ static int cx23885_dev_setup(struct cx23885_dev *dev) if (cx23885_boards[dev->board].clk_freq > 0) dev->clk_freq = cx23885_boards[dev->board].clk_freq;
+ if (dev->board == CX23885_BOARD_HAUPPAUGE_IMPACTVCBE && + dev->pci->subsystem_device == 0x7137) { + /* Hauppauge ImpactVCBe device ID 0x7137 is populated + * with an 888, and a 25Mhz crystal, instead of the + * usual third overtone 50Mhz. The default clock rate must + * be overridden so the cx25840 is properly configured + */ + dev->clk_freq = 25000000; + } + dev->pci_bus = dev->pci->bus->number; dev->pci_slot = PCI_SLOT(dev->pci->devfn); cx23885_irq_add(dev, 0x001f00); diff --git a/drivers/media/pci/cx25821/cx25821-core.c b/drivers/media/pci/cx25821/cx25821-core.c index 9a5f912ca859..0d4cacb93664 100644 --- a/drivers/media/pci/cx25821/cx25821-core.c +++ b/drivers/media/pci/cx25821/cx25821-core.c @@ -871,6 +871,10 @@ static int cx25821_dev_setup(struct cx25821_dev *dev) dev->nr = ++cx25821_devcount; sprintf(dev->name, "cx25821[%d]", dev->nr);
+ if (dev->nr >= ARRAY_SIZE(card)) { + CX25821_INFO("dev->nr >= %zd", ARRAY_SIZE(card)); + return -ENODEV; + } if (dev->pci->device != 0x8210) { pr_info("%s(): Exiting. Incorrect Hardware device = 0x%02x\n", __func__, dev->pci->device); @@ -886,9 +890,6 @@ static int cx25821_dev_setup(struct cx25821_dev *dev) dev->channels[i].sram_channels = &cx25821_sram_channels[i]; }
- if (dev->nr > 1) - CX25821_INFO("dev->nr > 1!"); - /* board config */ dev->board = 1; /* card[dev->nr]; */ dev->_max_num_decoders = MAX_DECODERS; diff --git a/drivers/media/platform/s3c-camif/camif-capture.c b/drivers/media/platform/s3c-camif/camif-capture.c index 0413a861a59a..5c9db0910a76 100644 --- a/drivers/media/platform/s3c-camif/camif-capture.c +++ b/drivers/media/platform/s3c-camif/camif-capture.c @@ -1256,16 +1256,17 @@ static void __camif_subdev_try_format(struct camif_dev *camif, { const struct s3c_camif_variant *variant = camif->variant; const struct vp_pix_limits *pix_lim; - int i = ARRAY_SIZE(camif_mbus_formats); + unsigned int i;
/* FIXME: constraints against codec or preview path ? */ pix_lim = &variant->vp_pix_limits[VP_CODEC];
- while (i-- >= 0) + for (i = 0; i < ARRAY_SIZE(camif_mbus_formats); i++) if (camif_mbus_formats[i] == mf->code) break;
- mf->code = camif_mbus_formats[i]; + if (i == ARRAY_SIZE(camif_mbus_formats)) + mf->code = camif_mbus_formats[0];
if (pad == CAMIF_SD_PAD_SINK) { v4l_bound_align_image(&mf->width, 8, CAMIF_MAX_PIX_WIDTH, diff --git a/drivers/media/platform/vivid/vivid-ctrls.c b/drivers/media/platform/vivid/vivid-ctrls.c index aceb38d9f7e7..b1c37252a6c7 100644 --- a/drivers/media/platform/vivid/vivid-ctrls.c +++ b/drivers/media/platform/vivid/vivid-ctrls.c @@ -1167,6 +1167,7 @@ static int vivid_radio_rx_s_ctrl(struct v4l2_ctrl *ctrl) v4l2_ctrl_activate(dev->radio_rx_rds_ta, dev->radio_rx_rds_controls); v4l2_ctrl_activate(dev->radio_rx_rds_tp, dev->radio_rx_rds_controls); v4l2_ctrl_activate(dev->radio_rx_rds_ms, dev->radio_rx_rds_controls); + dev->radio_rx_dev.device_caps = dev->radio_rx_caps; break; case V4L2_CID_RDS_RECEPTION: dev->radio_rx_rds_enabled = ctrl->val; @@ -1241,6 +1242,7 @@ static int vivid_radio_tx_s_ctrl(struct v4l2_ctrl *ctrl) dev->radio_tx_caps &= ~V4L2_CAP_READWRITE; if (!dev->radio_tx_rds_controls) dev->radio_tx_caps |= V4L2_CAP_READWRITE; + dev->radio_tx_dev.device_caps = dev->radio_tx_caps; break; case V4L2_CID_RDS_TX_PTY: if (dev->radio_rx_rds_controls) diff --git a/drivers/media/usb/em28xx/em28xx.h b/drivers/media/usb/em28xx/em28xx.h index d148463b22c1..6bf48a75688e 100644 --- a/drivers/media/usb/em28xx/em28xx.h +++ b/drivers/media/usb/em28xx/em28xx.h @@ -189,7 +189,7 @@ USB 2.0 spec says bulk packet size is always 512 bytes */ #define EM28XX_BULK_PACKET_MULTIPLIER 384 -#define EM28XX_DVB_BULK_PACKET_MULTIPLIER 384 +#define EM28XX_DVB_BULK_PACKET_MULTIPLIER 94
#define EM28XX_INTERLACED_DEFAULT 1
diff --git a/drivers/media/v4l2-core/videobuf2-vmalloc.c b/drivers/media/v4l2-core/videobuf2-vmalloc.c index ab3227b75c84..760cbf2ba01a 100644 --- a/drivers/media/v4l2-core/videobuf2-vmalloc.c +++ b/drivers/media/v4l2-core/videobuf2-vmalloc.c @@ -104,7 +104,7 @@ static void *vb2_vmalloc_get_userptr(struct device *dev, unsigned long vaddr, if (nums[i-1] + 1 != nums[i]) goto fail_map; buf->vaddr = (__force void *) - ioremap_nocache(nums[0] << PAGE_SHIFT, size); + ioremap_nocache(__pfn_to_phys(nums[0]), size + offset); } else { buf->vaddr = vm_map_ram(frame_vector_pages(vec), n_pages, -1, PAGE_KERNEL); diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c index 02b5f69e1a42..14cf6dfc3b14 100644 --- a/drivers/message/fusion/mptctl.c +++ b/drivers/message/fusion/mptctl.c @@ -2698,6 +2698,8 @@ mptctl_hp_targetinfo(unsigned long arg) __FILE__, __LINE__, iocnum); return -ENODEV; } + if (karg.hdr.id >= MPT_MAX_FC_DEVICES) + return -EINVAL; dctlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mptctl_hp_targetinfo called.\n", ioc->name));
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 5411ca48978a..cb7c3ef97134 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -2983,6 +2983,7 @@ static int mlx4_init_port_info(struct mlx4_dev *dev, int port) mlx4_err(dev, "Failed to create file for port %d\n", port); devlink_port_unregister(&info->devlink_port); info->port = -1; + return err; }
sprintf(info->dev_mtu_name, "mlx4_port%d_mtu", port); @@ -3004,9 +3005,10 @@ static int mlx4_init_port_info(struct mlx4_dev *dev, int port) &info->port_attr); devlink_port_unregister(&info->devlink_port); info->port = -1; + return err; }
- return err; + return 0; }
static void mlx4_cleanup_port_info(struct mlx4_port_info *info) diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 3e893fe890a0..8daf5db3d922 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -810,6 +810,9 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x0846, 0x68a2, 8)}, {QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */ {QMI_FIXED_INTF(0x12d1, 0x14ac, 1)}, /* Huawei E1820 */ + {QMI_FIXED_INTF(0x1435, 0xd181, 3)}, /* Wistron NeWeb D18Q1 */ + {QMI_FIXED_INTF(0x1435, 0xd181, 4)}, /* Wistron NeWeb D18Q1 */ + {QMI_FIXED_INTF(0x1435, 0xd181, 5)}, /* Wistron NeWeb D18Q1 */ {QMI_FIXED_INTF(0x16d8, 0x6003, 0)}, /* CMOTech 6003 */ {QMI_FIXED_INTF(0x16d8, 0x6007, 0)}, /* CMOTech CHE-628S */ {QMI_FIXED_INTF(0x16d8, 0x6008, 0)}, /* CMOTech CMU-301 */ @@ -942,6 +945,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */ {QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */ {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ + {QMI_FIXED_INTF(0x03f0, 0x9d1d, 1)}, /* HP lt4120 Snapdragon X5 LTE */ {QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */ {QMI_FIXED_INTF(0x1e0e, 0x9001, 5)}, /* SIMCom 7230E */ {QMI_QUIRK_SET_DTR(0x2c7c, 0x0125, 4)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */ diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index f809eed0343c..c999b10531c5 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -369,6 +369,11 @@ vmxnet3_tq_tx_complete(struct vmxnet3_tx_queue *tq,
gdesc = tq->comp_ring.base + tq->comp_ring.next2proc; while (VMXNET3_TCD_GET_GEN(&gdesc->tcd) == tq->comp_ring.gen) { + /* Prevent any &gdesc->tcd field from being (speculatively) + * read before (&gdesc->tcd)->gen is read. + */ + dma_rmb(); + completed += vmxnet3_unmap_pkt(VMXNET3_TCD_GET_TXIDX( &gdesc->tcd), tq, adapter->pdev, adapter); @@ -1099,6 +1104,11 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq, gdesc->txd.tci = skb_vlan_tag_get(skb); }
+ /* Ensure that the write to (&gdesc->txd)->gen will be observed after + * all other writes to &gdesc->txd. + */ + dma_wmb(); + /* finally flips the GEN bit of the SOP desc. */ gdesc->dword[2] = cpu_to_le32(le32_to_cpu(gdesc->dword[2]) ^ VMXNET3_TXD_GEN); @@ -1286,6 +1296,12 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, */ break; } + + /* Prevent any rcd field from being (speculatively) read before + * rcd->gen is read. + */ + dma_rmb(); + BUG_ON(rcd->rqID != rq->qid && rcd->rqID != rq->qid2 && rcd->rqID != rq->dataRingQid); idx = rcd->rxdIdx; @@ -1515,6 +1531,12 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, ring->next2comp = idx; num_to_alloc = vmxnet3_cmd_ring_desc_avail(ring); ring = rq->rx_ring + ring_idx; + + /* Ensure that the writes to rxd->gen bits will be observed + * after all other writes to rxd objects. + */ + dma_wmb(); + while (num_to_alloc) { vmxnet3_getRxDesc(rxd, &ring->base[ring->next2fill].rxd, &rxCmdDesc); @@ -2675,7 +2697,7 @@ vmxnet3_set_mac_addr(struct net_device *netdev, void *p) /* ==================== initialization and cleanup routines ============ */
static int -vmxnet3_alloc_pci_resources(struct vmxnet3_adapter *adapter, bool *dma64) +vmxnet3_alloc_pci_resources(struct vmxnet3_adapter *adapter) { int err; unsigned long mmio_start, mmio_len; @@ -2687,30 +2709,12 @@ vmxnet3_alloc_pci_resources(struct vmxnet3_adapter *adapter, bool *dma64) return err; }
- if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) == 0) { - if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) { - dev_err(&pdev->dev, - "pci_set_consistent_dma_mask failed\n"); - err = -EIO; - goto err_set_mask; - } - *dma64 = true; - } else { - if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) { - dev_err(&pdev->dev, - "pci_set_dma_mask failed\n"); - err = -EIO; - goto err_set_mask; - } - *dma64 = false; - } - err = pci_request_selected_regions(pdev, (1 << 2) - 1, vmxnet3_driver_name); if (err) { dev_err(&pdev->dev, "Failed to request region for adapter: error %d\n", err); - goto err_set_mask; + goto err_enable_device; }
pci_set_master(pdev); @@ -2738,7 +2742,7 @@ vmxnet3_alloc_pci_resources(struct vmxnet3_adapter *adapter, bool *dma64) iounmap(adapter->hw_addr0); err_ioremap: pci_release_selected_regions(pdev, (1 << 2) - 1); -err_set_mask: +err_enable_device: pci_disable_device(pdev); return err; } @@ -3246,7 +3250,7 @@ vmxnet3_probe_device(struct pci_dev *pdev, #endif }; int err; - bool dma64 = false; /* stupid gcc */ + bool dma64; u32 ver; struct net_device *netdev; struct vmxnet3_adapter *adapter; @@ -3292,6 +3296,24 @@ vmxnet3_probe_device(struct pci_dev *pdev, adapter->rx_ring_size = VMXNET3_DEF_RX_RING_SIZE; adapter->rx_ring2_size = VMXNET3_DEF_RX_RING2_SIZE;
+ if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) == 0) { + if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) { + dev_err(&pdev->dev, + "pci_set_consistent_dma_mask failed\n"); + err = -EIO; + goto err_set_mask; + } + dma64 = true; + } else { + if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) { + dev_err(&pdev->dev, + "pci_set_dma_mask failed\n"); + err = -EIO; + goto err_set_mask; + } + dma64 = false; + } + spin_lock_init(&adapter->cmd_lock); adapter->adapter_pa = dma_map_single(&adapter->pdev->dev, adapter, sizeof(struct vmxnet3_adapter), @@ -3299,7 +3321,7 @@ vmxnet3_probe_device(struct pci_dev *pdev, if (dma_mapping_error(&adapter->pdev->dev, adapter->adapter_pa)) { dev_err(&pdev->dev, "Failed to map dma\n"); err = -EFAULT; - goto err_dma_map; + goto err_set_mask; } adapter->shared = dma_alloc_coherent( &adapter->pdev->dev, @@ -3350,7 +3372,7 @@ vmxnet3_probe_device(struct pci_dev *pdev, } #endif /* VMXNET3_RSS */
- err = vmxnet3_alloc_pci_resources(adapter, &dma64); + err = vmxnet3_alloc_pci_resources(adapter); if (err < 0) goto err_alloc_pci;
@@ -3492,7 +3514,7 @@ vmxnet3_probe_device(struct pci_dev *pdev, err_alloc_shared: dma_unmap_single(&adapter->pdev->dev, adapter->adapter_pa, sizeof(struct vmxnet3_adapter), PCI_DMA_TODEVICE); -err_dma_map: +err_set_mask: free_netdev(netdev); return err; } diff --git a/drivers/rtc/hctosys.c b/drivers/rtc/hctosys.c index e1cfa06810ef..e79f2a181ad2 100644 --- a/drivers/rtc/hctosys.c +++ b/drivers/rtc/hctosys.c @@ -49,6 +49,11 @@ static int __init rtc_hctosys(void)
tv64.tv_sec = rtc_tm_to_time64(&tm);
+#if BITS_PER_LONG == 32 + if (tv64.tv_sec > INT_MAX) + goto err_read; +#endif + err = do_settimeofday64(&tv64);
dev_info(rtc->dev.parent, diff --git a/drivers/rtc/rtc-snvs.c b/drivers/rtc/rtc-snvs.c index a753ef9c1459..3e8fd33c2576 100644 --- a/drivers/rtc/rtc-snvs.c +++ b/drivers/rtc/rtc-snvs.c @@ -132,20 +132,23 @@ static int snvs_rtc_set_time(struct device *dev, struct rtc_time *tm) { struct snvs_rtc_data *data = dev_get_drvdata(dev); unsigned long time; + int ret;
rtc_tm_to_time(tm, &time);
/* Disable RTC first */ - snvs_rtc_enable(data, false); + ret = snvs_rtc_enable(data, false); + if (ret) + return ret;
/* Write 32-bit time to 47-bit timer, leaving 15 LSBs blank */ regmap_write(data->regmap, data->offset + SNVS_LPSRTCLR, time << CNTR_TO_SECS_SH); regmap_write(data->regmap, data->offset + SNVS_LPSRTCMR, time >> (32 - CNTR_TO_SECS_SH));
/* Enable RTC again */ - snvs_rtc_enable(data, true); + ret = snvs_rtc_enable(data, true);
- return 0; + return ret; }
static int snvs_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) @@ -287,7 +290,11 @@ static int snvs_rtc_probe(struct platform_device *pdev) regmap_write(data->regmap, data->offset + SNVS_LPSR, 0xffffffff);
/* Enable RTC */ - snvs_rtc_enable(data, true); + ret = snvs_rtc_enable(data, true); + if (ret) { + dev_err(&pdev->dev, "failed to enable rtc %d\n", ret); + goto error_rtc_device_register; + }
device_init_wakeup(&pdev->dev, true);
diff --git a/drivers/rtc/rtc-tx4939.c b/drivers/rtc/rtc-tx4939.c index 560d9a5e0225..a9528083061d 100644 --- a/drivers/rtc/rtc-tx4939.c +++ b/drivers/rtc/rtc-tx4939.c @@ -86,7 +86,8 @@ static int tx4939_rtc_read_time(struct device *dev, struct rtc_time *tm) for (i = 2; i < 6; i++) buf[i] = __raw_readl(&rtcreg->dat); spin_unlock_irq(&pdata->lock); - sec = (buf[5] << 24) | (buf[4] << 16) | (buf[3] << 8) | buf[2]; + sec = ((unsigned long)buf[5] << 24) | (buf[4] << 16) | + (buf[3] << 8) | buf[2]; rtc_time_to_tm(sec, tm); return rtc_valid_tm(tm); } @@ -147,7 +148,8 @@ static int tx4939_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) alrm->enabled = (ctl & TX4939_RTCCTL_ALME) ? 1 : 0; alrm->pending = (ctl & TX4939_RTCCTL_ALMD) ? 1 : 0; spin_unlock_irq(&pdata->lock); - sec = (buf[5] << 24) | (buf[4] << 16) | (buf[3] << 8) | buf[2]; + sec = ((unsigned long)buf[5] << 24) | (buf[4] << 16) | + (buf[3] << 8) | buf[2]; rtc_time_to_tm(sec, &alrm->time); return rtc_valid_tm(&alrm->time); } diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c index 34367d172961..4534a7ce77b8 100644 --- a/drivers/s390/scsi/zfcp_dbf.c +++ b/drivers/s390/scsi/zfcp_dbf.c @@ -3,7 +3,7 @@ * * Debug traces for zfcp. * - * Copyright IBM Corp. 2002, 2017 + * Copyright IBM Corp. 2002, 2018 */
#define KMSG_COMPONENT "zfcp" @@ -287,6 +287,27 @@ void zfcp_dbf_rec_trig(char *tag, struct zfcp_adapter *adapter, spin_unlock_irqrestore(&dbf->rec_lock, flags); }
+/** + * zfcp_dbf_rec_trig_lock - trace event related to triggered recovery with lock + * @tag: identifier for event + * @adapter: adapter on which the erp_action should run + * @port: remote port involved in the erp_action + * @sdev: scsi device involved in the erp_action + * @want: wanted erp_action + * @need: required erp_action + * + * The adapter->erp_lock must not be held. + */ +void zfcp_dbf_rec_trig_lock(char *tag, struct zfcp_adapter *adapter, + struct zfcp_port *port, struct scsi_device *sdev, + u8 want, u8 need) +{ + unsigned long flags; + + read_lock_irqsave(&adapter->erp_lock, flags); + zfcp_dbf_rec_trig(tag, adapter, port, sdev, want, need); + read_unlock_irqrestore(&adapter->erp_lock, flags); +}
/** * zfcp_dbf_rec_run_lvl - trace event related to running recovery diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index 21c8c689b02b..7a7984a50683 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -3,7 +3,7 @@ * * External function declarations. * - * Copyright IBM Corp. 2002, 2016 + * Copyright IBM Corp. 2002, 2018 */
#ifndef ZFCP_EXT_H @@ -34,6 +34,9 @@ extern int zfcp_dbf_adapter_register(struct zfcp_adapter *); extern void zfcp_dbf_adapter_unregister(struct zfcp_adapter *); extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *, struct zfcp_port *, struct scsi_device *, u8, u8); +extern void zfcp_dbf_rec_trig_lock(char *tag, struct zfcp_adapter *adapter, + struct zfcp_port *port, + struct scsi_device *sdev, u8 want, u8 need); extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *); extern void zfcp_dbf_rec_run_lvl(int level, char *tag, struct zfcp_erp_action *erp); diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index a9b8104b982e..bb99db2948ab 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -3,7 +3,7 @@ * * Interface to Linux SCSI midlayer. * - * Copyright IBM Corp. 2002, 2017 + * Copyright IBM Corp. 2002, 2018 */
#define KMSG_COMPONENT "zfcp" @@ -616,9 +616,9 @@ static void zfcp_scsi_rport_register(struct zfcp_port *port) ids.port_id = port->d_id; ids.roles = FC_RPORT_ROLE_FCP_TARGET;
- zfcp_dbf_rec_trig("scpaddy", port->adapter, port, NULL, - ZFCP_PSEUDO_ERP_ACTION_RPORT_ADD, - ZFCP_PSEUDO_ERP_ACTION_RPORT_ADD); + zfcp_dbf_rec_trig_lock("scpaddy", port->adapter, port, NULL, + ZFCP_PSEUDO_ERP_ACTION_RPORT_ADD, + ZFCP_PSEUDO_ERP_ACTION_RPORT_ADD); rport = fc_remote_port_add(port->adapter->scsi_host, 0, &ids); if (!rport) { dev_err(&port->adapter->ccw_device->dev, @@ -640,9 +640,9 @@ static void zfcp_scsi_rport_block(struct zfcp_port *port) struct fc_rport *rport = port->rport;
if (rport) { - zfcp_dbf_rec_trig("scpdely", port->adapter, port, NULL, - ZFCP_PSEUDO_ERP_ACTION_RPORT_DEL, - ZFCP_PSEUDO_ERP_ACTION_RPORT_DEL); + zfcp_dbf_rec_trig_lock("scpdely", port->adapter, port, NULL, + ZFCP_PSEUDO_ERP_ACTION_RPORT_DEL, + ZFCP_PSEUDO_ERP_ACTION_RPORT_DEL); fc_remote_port_delete(rport); port->rport = NULL; } diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index e2962f15c189..fe670b696251 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -1374,9 +1374,10 @@ static int _aac_reset_adapter(struct aac_dev *aac, int forced) host = aac->scsi_host_ptr; scsi_block_requests(host); aac_adapter_disable_int(aac); - if (aac->thread->pid != current->pid) { + if (aac->thread && aac->thread->pid != current->pid) { spin_unlock_irq(host->host_lock); kthread_stop(aac->thread); + aac->thread = NULL; jafo = 1; }
@@ -1445,6 +1446,7 @@ static int _aac_reset_adapter(struct aac_dev *aac, int forced) aac->name); if (IS_ERR(aac->thread)) { retval = PTR_ERR(aac->thread); + aac->thread = NULL; goto out; } } diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c index d5b26fa541d3..ad902a6e7c12 100644 --- a/drivers/scsi/aacraid/linit.c +++ b/drivers/scsi/aacraid/linit.c @@ -1083,6 +1083,7 @@ static void __aac_shutdown(struct aac_dev * aac) up(&fib->event_wait); } kthread_stop(aac->thread); + aac->thread = NULL; } aac_adapter_disable_int(aac); cpu = cpumask_first(cpu_online_mask); @@ -1203,8 +1204,10 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) * Map in the registers from the adapter. */ aac->base_size = AAC_MIN_FOOTPRINT_SIZE; - if ((*aac_drivers[index].init)(aac)) + if ((*aac_drivers[index].init)(aac)) { + error = -ENODEV; goto out_unmap; + }
if (aac->sync_mode) { if (aac_sync_mode) diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c index 24388795ee9a..936e8c735656 100644 --- a/drivers/scsi/arm/fas216.c +++ b/drivers/scsi/arm/fas216.c @@ -2011,7 +2011,7 @@ static void fas216_rq_sns_done(FAS216_Info *info, struct scsi_cmnd *SCpnt, * have valid data in the sense buffer that could * confuse the higher levels. */ - memset(SCpnt->sense_buffer, 0, sizeof(SCpnt->sense_buffer)); + memset(SCpnt->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); //printk("scsi%d.%c: sense buffer: ", info->host->host_no, '0' + SCpnt->device->id); //{ int i; for (i = 0; i < 32; i++) printk("%02x ", SCpnt->sense_buffer[i]); printk("\n"); } /* diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_io.c index f501095f91ac..bd39590d81c4 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_io.c +++ b/drivers/scsi/bnx2fc/bnx2fc_io.c @@ -1869,6 +1869,7 @@ void bnx2fc_process_scsi_cmd_compl(struct bnx2fc_cmd *io_req, /* we will not receive ABTS response for this IO */ BNX2FC_IO_DBG(io_req, "Timer context finished processing " "this scsi cmd\n"); + return; }
/* Cancel the timeout_work, as we received IO completion */ diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index 519dac4e341e..9a8c2f97ed70 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -222,6 +222,7 @@ int sas_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) static void sas_eh_finish_cmd(struct scsi_cmnd *cmd) { struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(cmd->device->host); + struct domain_device *dev = cmd_to_domain_dev(cmd); struct sas_task *task = TO_SAS_TASK(cmd);
/* At this point, we only get called following an actual abort @@ -230,6 +231,14 @@ static void sas_eh_finish_cmd(struct scsi_cmnd *cmd) */ sas_end_task(cmd, task);
+ if (dev_is_sata(dev)) { + /* defer commands to libata so that libata EH can + * handle ata qcs correctly + */ + list_move_tail(&cmd->eh_entry, &sas_ha->eh_ata_q); + return; + } + /* now finish the command and move it on to the error * handler done list, this also takes it off the * error handler pending list. @@ -237,22 +246,6 @@ static void sas_eh_finish_cmd(struct scsi_cmnd *cmd) scsi_eh_finish_cmd(cmd, &sas_ha->eh_done_q); }
-static void sas_eh_defer_cmd(struct scsi_cmnd *cmd) -{ - struct domain_device *dev = cmd_to_domain_dev(cmd); - struct sas_ha_struct *ha = dev->port->ha; - struct sas_task *task = TO_SAS_TASK(cmd); - - if (!dev_is_sata(dev)) { - sas_eh_finish_cmd(cmd); - return; - } - - /* report the timeout to libata */ - sas_end_task(cmd, task); - list_move_tail(&cmd->eh_entry, &ha->eh_ata_q); -} - static void sas_scsi_clear_queue_lu(struct list_head *error_q, struct scsi_cmnd *my_cmd) { struct scsi_cmnd *cmd, *n; @@ -260,7 +253,7 @@ static void sas_scsi_clear_queue_lu(struct list_head *error_q, struct scsi_cmnd list_for_each_entry_safe(cmd, n, error_q, eh_entry) { if (cmd->device->sdev_target == my_cmd->device->sdev_target && cmd->device->lun == my_cmd->device->lun) - sas_eh_defer_cmd(cmd); + sas_eh_finish_cmd(cmd); } }
@@ -622,12 +615,12 @@ static void sas_eh_handle_sas_errors(struct Scsi_Host *shost, struct list_head * case TASK_IS_DONE: SAS_DPRINTK("%s: task 0x%p is done\n", __func__, task); - sas_eh_defer_cmd(cmd); + sas_eh_finish_cmd(cmd); continue; case TASK_IS_ABORTED: SAS_DPRINTK("%s: task 0x%p is aborted\n", __func__, task); - sas_eh_defer_cmd(cmd); + sas_eh_finish_cmd(cmd); continue; case TASK_IS_AT_LU: SAS_DPRINTK("task 0x%p is at LU: lu recover\n", task); @@ -638,7 +631,7 @@ static void sas_eh_handle_sas_errors(struct Scsi_Host *shost, struct list_head * "recovered\n", SAS_ADDR(task->dev), cmd->device->lun); - sas_eh_defer_cmd(cmd); + sas_eh_finish_cmd(cmd); sas_scsi_clear_queue_lu(work_q, cmd); goto Again; } diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 453299095847..cf15b9754402 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -635,7 +635,12 @@ lpfc_issue_lip(struct Scsi_Host *shost) LPFC_MBOXQ_t *pmboxq; int mbxstatus = MBXERR_ERROR;
+ /* + * If the link is offline, disabled or BLOCK_MGMT_IO + * it doesn't make any sense to allow issue_lip + */ if ((vport->fc_flag & FC_OFFLINE_MODE) || + (phba->hba_flag & LINK_DISABLED) || (phba->sli.sli_flag & LPFC_BLOCK_MGMT_IO)) return -EPERM;
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 7d2ad633b6bc..81736457328a 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -690,8 +690,9 @@ lpfc_work_done(struct lpfc_hba *phba) (phba->hba_flag & HBA_SP_QUEUE_EVT)) { if (pring->flag & LPFC_STOP_IOCB_EVENT) { pring->flag |= LPFC_DEFERRED_RING_EVENT; - /* Set the lpfc data pending flag */ - set_bit(LPFC_DATA_READY, &phba->data_flags); + /* Preserve legacy behavior. */ + if (!(phba->hba_flag & HBA_SP_QUEUE_EVT)) + set_bit(LPFC_DATA_READY, &phba->data_flags); } else { if (phba->link_state >= LPFC_LINK_UP) { pring->flag &= ~LPFC_DEFERRED_RING_EVENT; diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 0902ed204ba8..6df06e716da1 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -116,6 +116,8 @@ lpfc_sli4_wq_put(struct lpfc_queue *q, union lpfc_wqe *wqe) /* set consumption flag every once in a while */ if (!((q->host_index + 1) % q->entry_repost)) bf_set(wqe_wqec, &wqe->generic.wqe_com, 1); + else + bf_set(wqe_wqec, &wqe->generic.wqe_com, 0); if (q->phba->sli3_options & LPFC_SLI4_PHWQ_ENABLED) bf_set(wqe_wqid, &wqe->generic.wqe_com, q->queue_id); lpfc_sli_pcimem_bcopy(wqe, temp_wqe, q->entry_size); diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index b8589068d175..ec48c010a3ba 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -8853,7 +8853,7 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name), "fw_event_%s%d", ioc->driver_name, ioc->id); ioc->firmware_event_thread = alloc_ordered_workqueue( - ioc->firmware_event_name, WQ_MEM_RECLAIM); + ioc->firmware_event_name, 0); if (!ioc->firmware_event_thread) { pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, __func__); diff --git a/drivers/scsi/mvsas/mv_94xx.c b/drivers/scsi/mvsas/mv_94xx.c index 7de5d8d75480..eb5471bc7263 100644 --- a/drivers/scsi/mvsas/mv_94xx.c +++ b/drivers/scsi/mvsas/mv_94xx.c @@ -1080,16 +1080,16 @@ static int mvs_94xx_gpio_write(struct mvs_prv_info *mvs_prv, void __iomem *regs = mvi->regs_ex - 0x10200;
int drive = (i/3) & (4-1); /* drive number on host */ - u32 block = mr32(MVS_SGPIO_DCTRL + + int driveshift = drive * 8; /* bit offset of drive */ + u32 block = ioread32be(regs + MVS_SGPIO_DCTRL + MVS_SGPIO_HOST_OFFSET * mvi->id);
- /* * if bit is set then create a mask with the first * bit of the drive set in the mask ... */ - u32 bit = (write_data[i/8] & (1 << (i&(8-1)))) ? - 1<<(24-drive*8) : 0; + u32 bit = get_unaligned_be32(write_data) & (1 << i) ? + 1 << driveshift : 0;
/* * ... and then shift it to the right position based @@ -1098,26 +1098,27 @@ static int mvs_94xx_gpio_write(struct mvs_prv_info *mvs_prv, switch (i%3) { case 0: /* activity */ block &= ~((0x7 << MVS_SGPIO_DCTRL_ACT_SHIFT) - << (24-drive*8)); + << driveshift); /* hardwire activity bit to SOF */ block |= LED_BLINKA_SOF << ( MVS_SGPIO_DCTRL_ACT_SHIFT + - (24-drive*8)); + driveshift); break; case 1: /* id */ block &= ~((0x3 << MVS_SGPIO_DCTRL_LOC_SHIFT) - << (24-drive*8)); + << driveshift); block |= bit << MVS_SGPIO_DCTRL_LOC_SHIFT; break; case 2: /* fail */ block &= ~((0x7 << MVS_SGPIO_DCTRL_ERR_SHIFT) - << (24-drive*8)); + << driveshift); block |= bit << MVS_SGPIO_DCTRL_ERR_SHIFT; break; }
- mw32(MVS_SGPIO_DCTRL + MVS_SGPIO_HOST_OFFSET * mvi->id, - block); + iowrite32be(block, + regs + MVS_SGPIO_DCTRL + + MVS_SGPIO_HOST_OFFSET * mvi->id);
}
@@ -1132,7 +1133,7 @@ static int mvs_94xx_gpio_write(struct mvs_prv_info *mvs_prv, void __iomem *regs = mvi->regs_ex - 0x10200;
mw32(MVS_SGPIO_DCTRL + MVS_SGPIO_HOST_OFFSET * mvi->id, - be32_to_cpu(((u32 *) write_data)[i])); + ((u32 *) write_data)[i]); } return reg_count; } diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index bddaabb288d4..73c99f237b10 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -272,7 +272,8 @@ qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
/* Read all mbox registers? */ - mboxes = (1 << ha->mbx_count) - 1; + WARN_ON_ONCE(ha->mbx_count > 32); + mboxes = (1ULL << ha->mbx_count) - 1; if (!ha->mcp) ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n"); else @@ -2516,7 +2517,8 @@ qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
/* Read all mbox registers? */ - mboxes = (1 << ha->mbx_count) - 1; + WARN_ON_ONCE(ha->mbx_count > 32); + mboxes = (1ULL << ha->mbx_count) - 1; if (!ha->mcp) ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n"); else diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h index a7cfc270bd08..ce1d063f3e83 100644 --- a/drivers/scsi/qla4xxx/ql4_def.h +++ b/drivers/scsi/qla4xxx/ql4_def.h @@ -168,6 +168,8 @@ #define DEV_DB_NON_PERSISTENT 0 #define DEV_DB_PERSISTENT 1
+#define QL4_ISP_REG_DISCONNECT 0xffffffffU + #define COPY_ISID(dst_isid, src_isid) { \ int i, j; \ for (i = 0, j = ISID_SIZE - 1; i < ISID_SIZE;) \ diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 01c3610a60cf..d8c03431d0aa 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -262,6 +262,24 @@ static struct iscsi_transport qla4xxx_iscsi_transport = {
static struct scsi_transport_template *qla4xxx_scsi_transport;
+static int qla4xxx_isp_check_reg(struct scsi_qla_host *ha) +{ + u32 reg_val = 0; + int rval = QLA_SUCCESS; + + if (is_qla8022(ha)) + reg_val = readl(&ha->qla4_82xx_reg->host_status); + else if (is_qla8032(ha) || is_qla8042(ha)) + reg_val = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_ALIVE_COUNTER); + else + reg_val = readw(&ha->reg->ctrl_status); + + if (reg_val == QL4_ISP_REG_DISCONNECT) + rval = QLA_ERROR; + + return rval; +} + static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, uint32_t iface_type, uint32_t payload_size, uint32_t pid, struct sockaddr *dst_addr) @@ -9196,10 +9214,17 @@ static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) struct srb *srb = NULL; int ret = SUCCESS; int wait = 0; + int rval;
ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Abort command issued cmd=%p, cdb=0x%x\n", ha->host_no, id, lun, cmd, cmd->cmnd[0]);
+ rval = qla4xxx_isp_check_reg(ha); + if (rval != QLA_SUCCESS) { + ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); + return FAILED; + } + spin_lock_irqsave(&ha->hardware_lock, flags); srb = (struct srb *) CMD_SP(cmd); if (!srb) { @@ -9251,6 +9276,7 @@ static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) struct scsi_qla_host *ha = to_qla_host(cmd->device->host); struct ddb_entry *ddb_entry = cmd->device->hostdata; int ret = FAILED, stat; + int rval;
if (!ddb_entry) return ret; @@ -9270,6 +9296,12 @@ static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) cmd, jiffies, cmd->request->timeout / HZ, ha->dpc_flags, cmd->result, cmd->allowed));
+ rval = qla4xxx_isp_check_reg(ha); + if (rval != QLA_SUCCESS) { + ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); + return FAILED; + } + /* FIXME: wait for hba to go online */ stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun); if (stat != QLA_SUCCESS) { @@ -9313,6 +9345,7 @@ static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) struct scsi_qla_host *ha = to_qla_host(cmd->device->host); struct ddb_entry *ddb_entry = cmd->device->hostdata; int stat, ret; + int rval;
if (!ddb_entry) return FAILED; @@ -9330,6 +9363,12 @@ static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) ha->host_no, cmd, jiffies, cmd->request->timeout / HZ, ha->dpc_flags, cmd->result, cmd->allowed));
+ rval = qla4xxx_isp_check_reg(ha); + if (rval != QLA_SUCCESS) { + ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); + return FAILED; + } + stat = qla4xxx_reset_target(ha, ddb_entry); if (stat != QLA_SUCCESS) { starget_printk(KERN_INFO, scsi_target(cmd->device), @@ -9384,9 +9423,16 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) { int return_status = FAILED; struct scsi_qla_host *ha; + int rval;
ha = to_qla_host(cmd->device->host);
+ rval = qla4xxx_isp_check_reg(ha); + if (rval != QLA_SUCCESS) { + ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n"); + return FAILED; + } + if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba) qla4_83xx_set_idc_dontreset(ha);
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 14ba1a2c0b7c..f8b6bf56c48e 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2401,6 +2401,7 @@ sd_read_write_protect_flag(struct scsi_disk *sdkp, unsigned char *buffer) int res; struct scsi_device *sdp = sdkp->device; struct scsi_mode_data data; + int disk_ro = get_disk_ro(sdkp->disk); int old_wp = sdkp->write_prot;
set_disk_ro(sdkp->disk, 0); @@ -2441,7 +2442,7 @@ sd_read_write_protect_flag(struct scsi_disk *sdkp, unsigned char *buffer) "Test WP failed, assume Write Enabled\n"); } else { sdkp->write_prot = ((data.device_specific & 0x80) != 0); - set_disk_ro(sdkp->disk, sdkp->write_prot); + set_disk_ro(sdkp->disk, sdkp->write_prot || disk_ro); if (sdkp->first_scan || old_wp != sdkp->write_prot) { sd_printk(KERN_NOTICE, sdkp, "Write Protect is %s\n", sdkp->write_prot ? "on" : "off"); diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index f61b37109e5c..0f81d739f9e9 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1893,7 +1893,7 @@ sg_build_indirect(Sg_scatter_hold * schp, Sg_fd * sfp, int buff_size) num = (rem_sz > scatter_elem_sz_prev) ? scatter_elem_sz_prev : rem_sz;
- schp->pages[k] = alloc_pages(gfp_mask, order); + schp->pages[k] = alloc_pages(gfp_mask | __GFP_ZERO, order); if (!schp->pages[k]) goto out;
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index 0dd1984e381e..d92b2808d191 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -1580,7 +1580,7 @@ static struct scsi_host_template scsi_driver = { .eh_timed_out = storvsc_eh_timed_out, .slave_alloc = storvsc_device_alloc, .slave_configure = storvsc_device_configure, - .cmd_per_lun = 255, + .cmd_per_lun = 2048, .this_id = -1, .use_clustering = ENABLE_CLUSTERING, /* Make sure we dont get a sg segment crosses a page boundary */ diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c index 6b349e301869..c6425e3df5a0 100644 --- a/drivers/scsi/sym53c8xx_2/sym_hipd.c +++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c @@ -536,7 +536,7 @@ sym_getsync(struct sym_hcb *np, u_char dt, u_char sfac, u_char *divp, u_char *fa * Look for the greatest clock divisor that allows an * input speed faster than the period. */ - while (div-- > 0) + while (--div > 0) if (kpc >= (div_10M[div] << 2)) break;
/* diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 2e9341233f66..98a7111dd53f 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -3338,6 +3338,8 @@ static int ufshcd_slave_alloc(struct scsi_device *sdev) /* REPORT SUPPORTED OPERATION CODES is not supported */ sdev->no_report_opcodes = 1;
+ /* WRITE_SAME command is not supported */ + sdev->no_write_same = 1;
ufshcd_set_queue_depth(sdev);
diff --git a/drivers/staging/lustre/lustre/include/obd.h b/drivers/staging/lustre/lustre/include/obd.h index f6fc4dd05bd6..722c33f7eecc 100644 --- a/drivers/staging/lustre/lustre/include/obd.h +++ b/drivers/staging/lustre/lustre/include/obd.h @@ -253,7 +253,7 @@ struct client_obd { struct sptlrpc_flavor cl_flvr_mgc; /* fixed flavor of mgc->mgs */
/* the grant values are protected by loi_list_lock below */ - unsigned long cl_dirty_pages; /* all _dirty_ in pahges */ + unsigned long cl_dirty_pages; /* all _dirty_ in pages */ unsigned long cl_dirty_max_pages; /* allowed w/o rpc */ unsigned long cl_dirty_transit; /* dirty synchronous */ unsigned long cl_avail_grant; /* bytes of credit for ost */ diff --git a/drivers/staging/lustre/lustre/lmv/lmv_obd.c b/drivers/staging/lustre/lustre/lmv/lmv_obd.c index cd19ce811e62..9e63171c1ec3 100644 --- a/drivers/staging/lustre/lustre/lmv/lmv_obd.c +++ b/drivers/staging/lustre/lustre/lmv/lmv_obd.c @@ -2928,7 +2928,7 @@ int lmv_unpack_md(struct obd_export *exp, struct lmv_stripe_md **lsmp, if (lsm && !lmm) { int i;
- for (i = 1; i < lsm->lsm_md_stripe_count; i++) { + for (i = 0; i < lsm->lsm_md_stripe_count; i++) { /* * For migrating inode, the master stripe and master * object will be the same, so do not need iput, see diff --git a/drivers/staging/lustre/lustre/osc/osc_cache.c b/drivers/staging/lustre/lustre/osc/osc_cache.c index 4bbe219add98..1a8c9f535200 100644 --- a/drivers/staging/lustre/lustre/osc/osc_cache.c +++ b/drivers/staging/lustre/lustre/osc/osc_cache.c @@ -1542,7 +1542,7 @@ static int osc_enter_cache_try(struct client_obd *cli, if (rc < 0) return 0;
- if (cli->cl_dirty_pages <= cli->cl_dirty_max_pages && + if (cli->cl_dirty_pages < cli->cl_dirty_max_pages && atomic_long_read(&obd_dirty_pages) + 1 <= obd_max_dirty_pages) { osc_consume_write_grant(cli, &oap->oap_brw_page); if (transient) { diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c index 457eeb5f5239..5fe95937d811 100644 --- a/drivers/staging/rtl8192u/r8192U_core.c +++ b/drivers/staging/rtl8192u/r8192U_core.c @@ -1705,6 +1705,8 @@ static short rtl8192_usb_initendpoints(struct net_device *dev)
priv->rx_urb[16] = usb_alloc_urb(0, GFP_KERNEL); priv->oldaddr = kmalloc(16, GFP_KERNEL); + if (!priv->oldaddr) + return -ENOMEM; oldaddr = priv->oldaddr; align = ((long)oldaddr) & 3; if (align) { diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index f6e4373a8850..5d9038a5bbc4 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -1815,7 +1815,8 @@ int serial8250_handle_irq(struct uart_port *port, unsigned int iir)
status = serial_port_in(port, UART_LSR);
- if (status & (UART_LSR_DR | UART_LSR_BI)) { + if (status & (UART_LSR_DR | UART_LSR_BI) && + iir & UART_IIR_RDI) { if (!up->dma || handle_rx_dma(up, iir)) status = serial8250_rx_chars(up, status); } diff --git a/drivers/tty/serial/arc_uart.c b/drivers/tty/serial/arc_uart.c index 5ac06fcaa9c6..fec48deb074c 100644 --- a/drivers/tty/serial/arc_uart.c +++ b/drivers/tty/serial/arc_uart.c @@ -596,6 +596,11 @@ static int arc_serial_probe(struct platform_device *pdev) if (dev_id < 0) dev_id = 0;
+ if (dev_id >= ARRAY_SIZE(arc_uart_ports)) { + dev_err(&pdev->dev, "serial%d out of range\n", dev_id); + return -EINVAL; + } + uart = &arc_uart_ports[dev_id]; port = &uart->port;
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 76103f2c4a80..937f5e10f165 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1902,6 +1902,10 @@ static int lpuart_probe(struct platform_device *pdev) dev_err(&pdev->dev, "failed to get alias id, errno %d\n", ret); return ret; } + if (ret >= ARRAY_SIZE(lpuart_ports)) { + dev_err(&pdev->dev, "serial%d out of range\n", ret); + return -EINVAL; + } sport->port.line = ret; sport->lpuart32 = of_device_is_compatible(np, "fsl,ls1021a-lpuart");
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index ecadc27eea48..b24edf634985 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -2080,6 +2080,12 @@ static int serial_imx_probe(struct platform_device *pdev) else if (ret < 0) return ret;
+ if (sport->port.line >= ARRAY_SIZE(imx_ports)) { + dev_err(&pdev->dev, "serial%d out of range\n", + sport->port.line); + return -EINVAL; + } + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(base)) diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c index 07390f8c3681..1d9d778828ba 100644 --- a/drivers/tty/serial/mxs-auart.c +++ b/drivers/tty/serial/mxs-auart.c @@ -1664,6 +1664,10 @@ static int mxs_auart_probe(struct platform_device *pdev) s->port.line = pdev->id < 0 ? 0 : pdev->id; else if (ret < 0) return ret; + if (s->port.line >= ARRAY_SIZE(auart_port)) { + dev_err(&pdev->dev, "serial%d out of range\n", s->port.line); + return -EINVAL; + }
if (of_id) { pdev->id_entry = of_id->data; diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c index d65f92bcd0f1..f2ab6d8aab41 100644 --- a/drivers/tty/serial/samsung.c +++ b/drivers/tty/serial/samsung.c @@ -1813,6 +1813,10 @@ static int s3c24xx_serial_probe(struct platform_device *pdev)
dbg("s3c24xx_serial_probe(%p) %d\n", pdev, index);
+ if (index >= ARRAY_SIZE(s3c24xx_serial_ports)) { + dev_err(&pdev->dev, "serial%d out of range\n", index); + return -EINVAL; + } ourport = &s3c24xx_serial_ports[index];
ourport->drv_data = s3c24xx_get_driver_data(pdev); diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c index dd4c02fa4820..7497f1d4a818 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -1106,7 +1106,7 @@ static struct uart_port *cdns_uart_get_port(int id) struct uart_port *port;
/* Try the given port id if failed use default method */ - if (cdns_uart_port[id].mapbase != 0) { + if (id < CDNS_UART_NR_PORTS && cdns_uart_port[id].mapbase != 0) { /* Find the next unused port */ for (id = 0; id < CDNS_UART_NR_PORTS; id++) if (cdns_uart_port[id].mapbase == 0) diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 34d23cc99fbd..fe22ac7c760a 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -174,6 +174,7 @@ static int acm_wb_alloc(struct acm *acm) wb = &acm->wb[wbn]; if (!wb->use) { wb->use = 1; + wb->len = 0; return wbn; } wbn = (wbn + 1) % ACM_NW; @@ -731,16 +732,18 @@ static int acm_tty_write(struct tty_struct *tty, static void acm_tty_flush_chars(struct tty_struct *tty) { struct acm *acm = tty->driver_data; - struct acm_wb *cur = acm->putbuffer; + struct acm_wb *cur; int err; unsigned long flags;
+ spin_lock_irqsave(&acm->write_lock, flags); + + cur = acm->putbuffer; if (!cur) /* nothing to do */ - return; + goto out;
acm->putbuffer = NULL; err = usb_autopm_get_interface_async(acm->control); - spin_lock_irqsave(&acm->write_lock, flags); if (err < 0) { cur->use = 0; acm->putbuffer = cur; diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h index 2a21a0414b1d..0f45a2f165e5 100644 --- a/drivers/usb/dwc2/core.h +++ b/drivers/usb/dwc2/core.h @@ -209,7 +209,7 @@ struct dwc2_hsotg_ep { unsigned char dir_in; unsigned char index; unsigned char mc; - unsigned char interval; + u16 interval;
unsigned int halted:1; unsigned int periodic:1; diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index cfdd5c3da236..09921ef07ac5 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -2642,12 +2642,6 @@ void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, dwc2_writel(dwc2_hsotg_ep0_mps(hsotg->eps_out[0]->ep.maxpacket) | DXEPCTL_USBACTEP, hsotg->regs + DIEPCTL0);
- dwc2_hsotg_enqueue_setup(hsotg); - - dev_dbg(hsotg->dev, "EP0: DIEPCTL0=0x%08x, DOEPCTL0=0x%08x\n", - dwc2_readl(hsotg->regs + DIEPCTL0), - dwc2_readl(hsotg->regs + DOEPCTL0)); - /* clear global NAKs */ val = DCTL_CGOUTNAK | DCTL_CGNPINNAK; if (!is_usb_reset) @@ -2658,6 +2652,12 @@ void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, mdelay(3);
hsotg->lx_state = DWC2_L0; + + dwc2_hsotg_enqueue_setup(hsotg); + + dev_dbg(hsotg->dev, "EP0: DIEPCTL0=0x%08x, DOEPCTL0=0x%08x\n", + dwc2_readl(hsotg->regs + DIEPCTL0), + dwc2_readl(hsotg->regs + DOEPCTL0)); }
static void dwc2_hsotg_core_disconnect(struct dwc2_hsotg *hsotg) diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index 919a32153060..0a0cf154814b 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -2268,10 +2268,22 @@ static int dwc2_core_init(struct dwc2_hsotg *hsotg, bool initial_setup) */ static void dwc2_core_host_init(struct dwc2_hsotg *hsotg) { - u32 hcfg, hfir, otgctl; + u32 hcfg, hfir, otgctl, usbcfg;
dev_dbg(hsotg->dev, "%s(%p)\n", __func__, hsotg);
+ /* Set HS/FS Timeout Calibration to 7 (max available value). + * The number of PHY clocks that the application programs in + * this field is added to the high/full speed interpacket timeout + * duration in the core to account for any additional delays + * introduced by the PHY. This can be required, because the delay + * introduced by the PHY in generating the linestate condition + * can vary from one PHY to another. + */ + usbcfg = dwc2_readl(hsotg->regs + GUSBCFG); + usbcfg |= GUSBCFG_TOUTCAL(7); + dwc2_writel(usbcfg, hsotg->regs + GUSBCFG); + /* Restart the Phy Clock */ dwc2_writel(0, hsotg->regs + PCGCTL);
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index a0c2b8b6edd0..53b26e978d90 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -161,12 +161,26 @@ static int dwc3_core_soft_reset(struct dwc3 *dwc) do { reg = dwc3_readl(dwc->regs, DWC3_DCTL); if (!(reg & DWC3_DCTL_CSFTRST)) - return 0; + goto done;
udelay(1); } while (--retries);
+ phy_exit(dwc->usb3_generic_phy); + phy_exit(dwc->usb2_generic_phy); + return -ETIMEDOUT; + +done: + /* + * For DWC_usb31 controller, once DWC3_DCTL_CSFTRST bit is cleared, + * we must wait at least 50ms before accessing the PHY domain + * (synchronization delay). DWC_usb31 programming guide section 1.3.2. + */ + if (dwc3_is_usb31(dwc)) + msleep(50); + + return 0; }
/** diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 94d6a3e2ad97..affb3d757310 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -238,6 +238,8 @@ #define DWC3_GUSB3PIPECTL_TX_DEEPH(n) ((n) << 1)
/* Global TX Fifo Size Register */ +#define DWC31_GTXFIFOSIZ_TXFRAMNUM BIT(15) /* DWC_usb31 only */ +#define DWC31_GTXFIFOSIZ_TXFDEF(n) ((n) & 0x7fff) /* DWC_usb31 only */ #define DWC3_GTXFIFOSIZ_TXFDEF(n) ((n) & 0xffff) #define DWC3_GTXFIFOSIZ_TXFSTADDR(n) ((n) & 0xffff0000)
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c index 35b63518baf6..f221cb479e14 100644 --- a/drivers/usb/dwc3/dwc3-omap.c +++ b/drivers/usb/dwc3/dwc3-omap.c @@ -598,9 +598,25 @@ static int dwc3_omap_resume(struct device *dev) return 0; }
+static void dwc3_omap_complete(struct device *dev) +{ + struct dwc3_omap *omap = dev_get_drvdata(dev); + + if (extcon_get_state(omap->edev, EXTCON_USB)) + dwc3_omap_set_mailbox(omap, OMAP_DWC3_VBUS_VALID); + else + dwc3_omap_set_mailbox(omap, OMAP_DWC3_VBUS_OFF); + + if (extcon_get_state(omap->edev, EXTCON_USB_HOST)) + dwc3_omap_set_mailbox(omap, OMAP_DWC3_ID_GROUND); + else + dwc3_omap_set_mailbox(omap, OMAP_DWC3_ID_FLOAT); +} + static const struct dev_pm_ops dwc3_omap_dev_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(dwc3_omap_suspend, dwc3_omap_resume) + .complete = dwc3_omap_complete, };
#define DEV_PM_OPS (&dwc3_omap_dev_pm_ops) diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 406758ed0b23..ca97f5b36e1b 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -1421,7 +1421,7 @@ static int count_ext_compat(struct usb_configuration *c) return res; }
-static void fill_ext_compat(struct usb_configuration *c, u8 *buf) +static int fill_ext_compat(struct usb_configuration *c, u8 *buf) { int i, count;
@@ -1448,10 +1448,12 @@ static void fill_ext_compat(struct usb_configuration *c, u8 *buf) buf += 23; } count += 24; - if (count >= 4096) - return; + if (count + 24 >= USB_COMP_EP0_OS_DESC_BUFSIZ) + return count; } } + + return count; }
static int count_ext_prop(struct usb_configuration *c, int interface) @@ -1496,25 +1498,20 @@ static int fill_ext_prop(struct usb_configuration *c, int interface, u8 *buf) struct usb_os_desc *d; struct usb_os_desc_ext_prop *ext_prop; int j, count, n, ret; - u8 *start = buf;
f = c->interface[interface]; + count = 10; /* header length */ for (j = 0; j < f->os_desc_n; ++j) { if (interface != f->os_desc_table[j].if_id) continue; d = f->os_desc_table[j].os_desc; if (d) list_for_each_entry(ext_prop, &d->ext_prop, entry) { - /* 4kB minus header length */ - n = buf - start; - if (n >= 4086) - return 0; - - count = ext_prop->data_len + + n = ext_prop->data_len + ext_prop->name_len + 14; - if (count > 4086 - n) - return -EINVAL; - usb_ext_prop_put_size(buf, count); + if (count + n >= USB_COMP_EP0_OS_DESC_BUFSIZ) + return count; + usb_ext_prop_put_size(buf, n); usb_ext_prop_put_type(buf, ext_prop->type); ret = usb_ext_prop_put_name(buf, ext_prop->name, ext_prop->name_len); @@ -1540,11 +1537,12 @@ static int fill_ext_prop(struct usb_configuration *c, int interface, u8 *buf) default: return -EINVAL; } - buf += count; + buf += n; + count += n; } }
- return 0; + return count; }
/* @@ -1822,6 +1820,7 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) req->complete = composite_setup_complete; buf = req->buf; os_desc_cfg = cdev->os_desc_config; + w_length = min_t(u16, w_length, USB_COMP_EP0_OS_DESC_BUFSIZ); memset(buf, 0, w_length); buf[5] = 0x01; switch (ctrl->bRequestType & USB_RECIP_MASK) { @@ -1845,8 +1844,8 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) count += 16; /* header */ put_unaligned_le32(count, buf); buf += 16; - fill_ext_compat(os_desc_cfg, buf); - value = w_length; + value = fill_ext_compat(os_desc_cfg, buf); + value = min_t(u16, w_length, value); } break; case USB_RECIP_INTERFACE: @@ -1875,8 +1874,7 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) interface, buf); if (value < 0) return value; - - value = w_length; + value = min_t(u16, w_length, value); } break; } @@ -2151,8 +2149,8 @@ int composite_os_desc_req_prepare(struct usb_composite_dev *cdev, goto end; }
- /* OS feature descriptor length <= 4kB */ - cdev->os_desc_req->buf = kmalloc(4096, GFP_KERNEL); + cdev->os_desc_req->buf = kmalloc(USB_COMP_EP0_OS_DESC_BUFSIZ, + GFP_KERNEL); if (!cdev->os_desc_req->buf) { ret = -ENOMEM; usb_ep_free_request(ep0, cdev->os_desc_req); diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index 071346973dd6..af72224f8ba2 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -759,9 +759,13 @@ static void ffs_user_copy_worker(struct work_struct *work) bool kiocb_has_eventfd = io_data->kiocb->ki_flags & IOCB_EVENTFD;
if (io_data->read && ret > 0) { + mm_segment_t oldfs = get_fs(); + + set_fs(USER_DS); use_mm(io_data->mm); ret = ffs_copy_to_iter(io_data->buf, ret, &io_data->data); unuse_mm(io_data->mm); + set_fs(oldfs); }
io_data->kiocb->ki_complete(io_data->kiocb, ret, ret); @@ -3239,7 +3243,7 @@ static int ffs_func_setup(struct usb_function *f, __ffs_event_add(ffs, FUNCTIONFS_SETUP); spin_unlock_irqrestore(&ffs->ev.waitq.lock, flags);
- return 0; + return USB_GADGET_DELAYED_STATUS; }
static bool ffs_func_req_match(struct usb_function *f, diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c index 969cfe741380..5474b5187be0 100644 --- a/drivers/usb/gadget/function/f_uac2.c +++ b/drivers/usb/gadget/function/f_uac2.c @@ -1040,6 +1040,8 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn) dev_err(dev, "%s:%d Error!\n", __func__, __LINE__); return ret; } + iad_desc.bFirstInterface = ret; + std_ac_if_desc.bInterfaceNumber = ret; agdev->ac_intf = ret; agdev->ac_alt = 0; diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index 188961780b8a..139f6cce30b1 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -190,8 +190,8 @@ EXPORT_SYMBOL_GPL(usb_ep_alloc_request); void usb_ep_free_request(struct usb_ep *ep, struct usb_request *req) { - ep->ops->free_request(ep, req); trace_usb_ep_free_request(ep, req, 0); + ep->ops->free_request(ep, req); } EXPORT_SYMBOL_GPL(usb_ep_free_request);
diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c index aac0ce8aeb0b..8991a4070792 100644 --- a/drivers/usb/gadget/udc/fsl_udc_core.c +++ b/drivers/usb/gadget/udc/fsl_udc_core.c @@ -1310,7 +1310,7 @@ static void udc_reset_ep_queue(struct fsl_udc *udc, u8 pipe) { struct fsl_ep *ep = get_ep_by_pipe(udc, pipe);
- if (ep->name) + if (ep->ep.name) nuke(ep, -ESHUTDOWN); }
@@ -1698,7 +1698,7 @@ static void dtd_complete_irq(struct fsl_udc *udc) curr_ep = get_ep_by_pipe(udc, i);
/* If the ep is configured */ - if (curr_ep->name == NULL) { + if (!curr_ep->ep.name) { WARNING("Invalid EP?"); continue; } diff --git a/drivers/usb/gadget/udc/goku_udc.h b/drivers/usb/gadget/udc/goku_udc.h index 86d2adafe149..64eb0f2b5ea0 100644 --- a/drivers/usb/gadget/udc/goku_udc.h +++ b/drivers/usb/gadget/udc/goku_udc.h @@ -28,7 +28,7 @@ struct goku_udc_regs { # define INT_EP1DATASET 0x00040 # define INT_EP2DATASET 0x00080 # define INT_EP3DATASET 0x00100 -#define INT_EPnNAK(n) (0x00100 < (n)) /* 0 < n < 4 */ +#define INT_EPnNAK(n) (0x00100 << (n)) /* 0 < n < 4 */ # define INT_EP1NAK 0x00200 # define INT_EP2NAK 0x00400 # define INT_EP3NAK 0x00800 diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index a646ca3b0d00..1afb76e8b1a5 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -446,7 +446,8 @@ static int ohci_init (struct ohci_hcd *ohci) struct usb_hcd *hcd = ohci_to_hcd(ohci);
/* Accept arbitrarily long scatter-gather lists */ - hcd->self.sg_tablesize = ~0; + if (!(hcd->driver->flags & HCD_LOCAL_MEM)) + hcd->self.sg_tablesize = ~0;
if (distrust_firmware) ohci->flags |= OHCI_QUIRK_HUB_POWER; diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 3b7d69ca83be..48bdab4fdc8f 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -975,6 +975,8 @@ void xhci_free_virt_device(struct xhci_hcd *xhci, int slot_id) if (dev->out_ctx) xhci_free_container_ctx(xhci, dev->out_ctx);
+ if (dev->udev && dev->udev->slot_id) + dev->udev->slot_id = 0; kfree(xhci->devs[slot_id]); xhci->devs[slot_id] = NULL; } diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index 41b8b44a391c..85449a6ddc56 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -1258,21 +1258,11 @@ static void __ext2_truncate_blocks(struct inode *inode, loff_t offset)
static void ext2_truncate_blocks(struct inode *inode, loff_t offset) { - /* - * XXX: it seems like a bug here that we don't allow - * IS_APPEND inode to have blocks-past-i_size trimmed off. - * review and fix this. - * - * Also would be nice to be able to handle IO errors and such, - * but that's probably too much to ask. - */ if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode))) return; if (ext2_inode_is_fast_symlink(inode)) return; - if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) - return;
dax_sem_down_write(EXT2_I(inode)); __ext2_truncate_blocks(inode, offset); diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c index 11854dd84572..b9563cdcfe28 100644 --- a/fs/hfsplus/super.c +++ b/fs/hfsplus/super.c @@ -588,6 +588,7 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent) return 0;
out_put_hidden_dir: + cancel_delayed_work_sync(&sbi->sync_work); iput(sbi->hidden_dir); out_put_root: dput(sb->s_root); diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h index 4616a49a1c2e..667d20454a21 100644 --- a/include/linux/usb/composite.h +++ b/include/linux/usb/composite.h @@ -53,6 +53,9 @@ /* big enough to hold our biggest descriptor */ #define USB_COMP_EP0_BUFSIZ 1024
+/* OS feature descriptor length <= 4kB */ +#define USB_COMP_EP0_OS_DESC_BUFSIZ 4096 + #define USB_MS_TO_HS_INTERVAL(x) (ilog2((x * 1000 / 125)) + 1) struct usb_configuration;
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h index d3cbe48b286d..7290eacc8cee 100644 --- a/include/uapi/linux/nl80211.h +++ b/include/uapi/linux/nl80211.h @@ -2379,6 +2379,8 @@ enum nl80211_attrs { #define NL80211_ATTR_KEYS NL80211_ATTR_KEYS #define NL80211_ATTR_FEATURE_FLAGS NL80211_ATTR_FEATURE_FLAGS
+#define NL80211_WIPHY_NAME_MAXLEN 128 + #define NL80211_MAX_SUPP_RATES 32 #define NL80211_MAX_SUPP_HT_RATES 77 #define NL80211_MAX_SUPP_REG_RULES 64 diff --git a/net/core/sock.c b/net/core/sock.c index e3b60460dc9c..1c4c43483b54 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1457,7 +1457,7 @@ void sk_destruct(struct sock *sk)
static void __sk_free(struct sock *sk) { - if (unlikely(sock_diag_has_destroy_listeners(sk) && sk->sk_net_refcnt)) + if (unlikely(sk->sk_net_refcnt && sock_diag_has_destroy_listeners(sk))) sock_diag_broadcast_destroy(sk); else sk_destruct(sk); diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 2c3c1a223df4..3b1f3bc8becb 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -1076,7 +1076,8 @@ static int __ip_append_data(struct sock *sk, if (copy > length) copy = length;
- if (!(rt->dst.dev->features&NETIF_F_SG)) { + if (!(rt->dst.dev->features&NETIF_F_SG) && + skb_tailroom(skb) >= copy) { unsigned int off;
off = skb->len; diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index a69606031e5f..f07a0a1c98ff 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2691,8 +2691,10 @@ int __tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb, int segs) return -EBUSY;
if (before(TCP_SKB_CB(skb)->seq, tp->snd_una)) { - if (before(TCP_SKB_CB(skb)->end_seq, tp->snd_una)) - BUG(); + if (unlikely(before(TCP_SKB_CB(skb)->end_seq, tp->snd_una))) { + WARN_ON_ONCE(1); + return -EINVAL; + } if (tcp_trim_head(sk, skb, tp->snd_una - TCP_SKB_CB(skb)->seq)) return -ENOMEM; } @@ -3236,6 +3238,7 @@ static void tcp_connect_init(struct sock *sk) sock_reset_flag(sk, SOCK_DONE); tp->snd_wnd = 0; tcp_init_wl(tp, 0); + tcp_write_queue_purge(sk); tp->snd_una = tp->write_seq; tp->snd_sml = tp->write_seq; tp->snd_up = tp->write_seq; diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 58a6eeeacbf7..e8560031a0be 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1545,7 +1545,8 @@ static int __ip6_append_data(struct sock *sk, if (copy > length) copy = length;
- if (!(rt->dst.dev->features&NETIF_F_SG)) { + if (!(rt->dst.dev->features&NETIF_F_SG) && + skb_tailroom(skb) >= copy) { unsigned int off;
off = skb->len; diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index a027f8c00944..b2b50756263b 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -2910,13 +2910,15 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len) if (skb == NULL) goto out_unlock;
- skb_set_network_header(skb, reserve); + skb_reset_network_header(skb);
err = -EINVAL; if (sock->type == SOCK_DGRAM) { offset = dev_hard_header(skb, dev, ntohs(proto), addr, NULL, len); if (unlikely(offset < 0)) goto out_free; + } else if (reserve) { + skb_push(skb, reserve); }
/* Returns -EFAULT on error */ diff --git a/net/wireless/core.c b/net/wireless/core.c index ce16da2905dc..7fbf4dd07277 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -95,6 +95,9 @@ static int cfg80211_dev_check_name(struct cfg80211_registered_device *rdev,
ASSERT_RTNL();
+ if (strlen(newname) > NL80211_WIPHY_NAME_MAXLEN) + return -EINVAL; + /* prohibit calling the thing phy%d when %d is not its number */ sscanf(newname, PHY_NAME "%d%n", &wiphy_idx, &taken); if (taken == strlen(newname) && wiphy_idx != rdev->wiphy_idx) { diff --git a/sound/soc/au1x/ac97c.c b/sound/soc/au1x/ac97c.c index 29a97d52e8ad..66d6c52e7761 100644 --- a/sound/soc/au1x/ac97c.c +++ b/sound/soc/au1x/ac97c.c @@ -91,8 +91,8 @@ static unsigned short au1xac97c_ac97_read(struct snd_ac97 *ac97, do { mutex_lock(&ctx->lock);
- tmo = 5; - while ((RD(ctx, AC97_STATUS) & STAT_CP) && tmo--) + tmo = 6; + while ((RD(ctx, AC97_STATUS) & STAT_CP) && --tmo) udelay(21); /* wait an ac97 frame time */ if (!tmo) { pr_debug("ac97rd timeout #1\n"); @@ -105,7 +105,7 @@ static unsigned short au1xac97c_ac97_read(struct snd_ac97 *ac97, * poll, Forrest, poll... */ tmo = 0x10000; - while ((RD(ctx, AC97_STATUS) & STAT_CP) && tmo--) + while ((RD(ctx, AC97_STATUS) & STAT_CP) && --tmo) asm volatile ("nop"); data = RD(ctx, AC97_CMDRESP);
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c index 85324e61cbd5..2d14e37ddc3f 100644 --- a/sound/soc/samsung/i2s.c +++ b/sound/soc/samsung/i2s.c @@ -642,8 +642,12 @@ static int i2s_set_fmt(struct snd_soc_dai *dai, tmp |= mod_slave; break; case SND_SOC_DAIFMT_CBS_CFS: - /* Set default source clock in Master mode */ - if (i2s->rclk_srcrate == 0) + /* + * Set default source clock in Master mode, only when the + * CLK_I2S_RCLK_SRC clock is not exposed so we ensure any + * clock configuration assigned in DT is not overwritten. + */ + if (i2s->rclk_srcrate == 0 && i2s->clk_data.clks == NULL) i2s_set_sysclk(dai, SAMSUNG_I2S_RCLKSRC_0, 0, SND_SOC_CLOCK_IN); break; @@ -858,6 +862,11 @@ static int config_setup(struct i2s_dai *i2s) return 0;
if (!(i2s->quirks & QUIRK_NO_MUXPSR)) { + struct clk *rclksrc = i2s->clk_table[CLK_I2S_RCLK_SRC]; + + if (i2s->rclk_srcrate == 0 && rclksrc && !IS_ERR(rclksrc)) + i2s->rclk_srcrate = clk_get_rate(rclksrc); + psr = i2s->rclk_srcrate / i2s->frmclk / rfs; writel(((psr - 1) << 8) | PSR_PSREN, i2s->addr + I2SPSR); dev_dbg(&i2s->pdev->dev, diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c index 8a758c994506..d6b48c796bfc 100644 --- a/sound/soc/soc-topology.c +++ b/sound/soc/soc-topology.c @@ -1180,6 +1180,9 @@ static struct snd_kcontrol_new *soc_tplg_dapm_widget_dmixer_create( kfree(sm); continue; } + + /* create any TLV data */ + soc_tplg_create_tlv(tplg, &kc[i], &mc->hdr); } return kc;
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 45655b9108e8..da9fc08b20bb 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1153,24 +1153,27 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip) return false; }
-/* Marantz/Denon USB DACs need a vendor cmd to switch +/* ITF-USB DSD based DACs need a vendor cmd to switch * between PCM and native DSD mode + * (2 altsets version) */ -static bool is_marantz_denon_dac(unsigned int id) +static bool is_itf_usb_dsd_2alts_dac(unsigned int id) { switch (id) { case USB_ID(0x154e, 0x1003): /* Denon DA-300USB */ case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */ case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */ + case USB_ID(0x1852, 0x5065): /* Luxman DA-06 */ return true; } return false; }
-/* TEAC UD-501/UD-503/NT-503 USB DACs need a vendor cmd to switch - * between PCM/DOP and native DSD mode +/* ITF-USB DSD based DACs need a vendor cmd to switch + * between PCM and native DSD mode + * (3 altsets version) */ -static bool is_teac_dsd_dac(unsigned int id) +static bool is_itf_usb_dsd_3alts_dac(unsigned int id) { switch (id) { case USB_ID(0x0644, 0x8043): /* TEAC UD-501/UD-503/NT-503 */ @@ -1187,7 +1190,7 @@ int snd_usb_select_mode_quirk(struct snd_usb_substream *subs, struct usb_device *dev = subs->dev; int err;
- if (is_marantz_denon_dac(subs->stream->chip->usb_id)) { + if (is_itf_usb_dsd_2alts_dac(subs->stream->chip->usb_id)) { /* First switch to alt set 0, otherwise the mode switch cmd * will not be accepted by the DAC */ @@ -1208,7 +1211,7 @@ int snd_usb_select_mode_quirk(struct snd_usb_substream *subs, break; } mdelay(20); - } else if (is_teac_dsd_dac(subs->stream->chip->usb_id)) { + } else if (is_itf_usb_dsd_3alts_dac(subs->stream->chip->usb_id)) { /* Vendor mode switch cmd is required. */ switch (fmt->altsetting) { case 3: /* DSD mode (DSD_U32) requested */ @@ -1304,10 +1307,10 @@ void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) mdelay(20);
- /* Marantz/Denon devices with USB DAC functionality need a delay + /* ITF-USB DSD based DACs functionality need a delay * after each class compliant request */ - if (is_marantz_denon_dac(chip->usb_id) + if (is_itf_usb_dsd_2alts_dac(chip->usb_id) && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) mdelay(20);
@@ -1371,14 +1374,14 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, break; }
- /* Denon/Marantz devices with USB DAC functionality */ - if (is_marantz_denon_dac(chip->usb_id)) { + /* ITF-USB DSD based DACs (2 altsets version) */ + if (is_itf_usb_dsd_2alts_dac(chip->usb_id)) { if (fp->altsetting == 2) return SNDRV_PCM_FMTBIT_DSD_U32_BE; }
- /* TEAC devices with USB DAC functionality */ - if (is_teac_dsd_dac(chip->usb_id)) { + /* ITF-USB DSD based DACs (3 altsets version) */ + if (is_itf_usb_dsd_3alts_dac(chip->usb_id)) { if (fp->altsetting == 3) return SNDRV_PCM_FMTBIT_DSD_U32_BE; }
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