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[Linux-stable-mirror] Patch "tracing: Exclude 'generic fields' from histograms" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled tracing: Exclude 'generic fields' from histograms to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: tracing-exclude-generic-fields-from-histograms.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Wed Dec 20 18:17:52 CET 2017 From: Tom Zanussi <tom.zanussi(a)linux.intel.com> Date: Fri, 22 Sep 2017 14:58:17 -0500 Subject: tracing: Exclude 'generic fields' from histograms From: Tom Zanussi <tom.zanussi(a)linux.intel.com> [ Upstream commit a15f7fc20389a8827d5859907568b201234d4b79 ] There are a small number of 'generic fields' (comm/COMM/cpu/CPU) that are found by trace_find_event_field() but are only meant for filtering. Specifically, they unlike normal fields, they have a size of 0 and thus wreak havoc when used as a histogram key. Exclude these (return -EINVAL) when used as histogram keys. Link: http://lkml.kernel.org/r/956154cbc3e8a4f0633d619b886c97f0f0edf7b4.150610504… Signed-off-by: Tom Zanussi <tom.zanussi(a)linux.intel.com> Signed-off-by: Steven Rostedt (VMware) <rostedt(a)goodmis.org> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- kernel/trace/trace_events_hist.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -450,7 +450,7 @@ static int create_val_field(struct hist_ } field = trace_find_event_field(file->event_call, field_name); - if (!field) { + if (!field || !field->size) { ret = -EINVAL; goto out; } @@ -548,7 +548,7 @@ static int create_key_field(struct hist_ } field = trace_find_event_field(file->event_call, field_name); - if (!field) { + if (!field || !field->size) { ret = -EINVAL; goto out; } Patches currently in stable-queue which might be from tom.zanussi(a)linux.intel.com are queue-4.14/tracing-exclude-generic-fields-from-histograms.patch

6 years, 10 months

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[Linux-stable-mirror] Patch "staging: greybus: light: Release memory obtained by kasprintf" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled staging: greybus: light: Release memory obtained by kasprintf to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: staging-greybus-light-release-memory-obtained-by-kasprintf.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Wed Dec 20 18:17:52 CET 2017 From: Arvind Yadav <arvind.yadav.cs(a)gmail.com> Date: Sat, 23 Sep 2017 13:25:30 +0530 Subject: staging: greybus: light: Release memory obtained by kasprintf From: Arvind Yadav <arvind.yadav.cs(a)gmail.com> [ Upstream commit 04820da21050b35eed68aa046115d810163ead0c ] Free memory region, if gb_lights_channel_config is not successful. Signed-off-by: Arvind Yadav <arvind.yadav.cs(a)gmail.com> Reviewed-by: Rui Miguel Silva <rmfrfs(a)gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/staging/greybus/light.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/staging/greybus/light.c +++ b/drivers/staging/greybus/light.c @@ -925,6 +925,8 @@ static void __gb_lights_led_unregister(s return; led_classdev_unregister(cdev); + kfree(cdev->name); + cdev->name = NULL; channel->led = NULL; } Patches currently in stable-queue which might be from arvind.yadav.cs(a)gmail.com are queue-4.14/staging-greybus-light-release-memory-obtained-by-kasprintf.patch

6 years, 10 months

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[Linux-stable-mirror] Patch "sctp: silence warns on sctp_stream_init allocations" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled sctp: silence warns on sctp_stream_init allocations to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: sctp-silence-warns-on-sctp_stream_init-allocations.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Wed Dec 20 18:17:52 CET 2017 From: Marcelo Ricardo Leitner <marcelo.leitner(a)gmail.com> Date: Tue, 3 Oct 2017 19:20:08 -0300 Subject: sctp: silence warns on sctp_stream_init allocations From: Marcelo Ricardo Leitner <marcelo.leitner(a)gmail.com> [ Upstream commit 1ae2eaaa229bc350b6f38fbf4ab9c873532aecfb ] As SCTP supports up to 65535 streams, that can lead to very large allocations in sctp_stream_init(). As Xin Long noticed, systems with small amounts of memory are more prone to not have enough memory and dump warnings on dmesg initiated by user actions. Thus, silence them. Also, if the reallocation of stream->out is not necessary, skip it and keep the memory we already have. Reported-by: Xin Long <lucien.xin(a)gmail.com> Tested-by: Xin Long <lucien.xin(a)gmail.com> Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner(a)gmail.com> Signed-off-by: David S. Miller <davem(a)davemloft.net> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- net/sctp/stream.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) --- a/net/sctp/stream.c +++ b/net/sctp/stream.c @@ -40,9 +40,14 @@ int sctp_stream_init(struct sctp_stream { int i; + gfp |= __GFP_NOWARN; + /* Initial stream->out size may be very big, so free it and alloc - * a new one with new outcnt to save memory. + * a new one with new outcnt to save memory if needed. */ + if (outcnt == stream->outcnt) + goto in; + kfree(stream->out); stream->out = kcalloc(outcnt, sizeof(*stream->out), gfp); @@ -53,6 +58,7 @@ int sctp_stream_init(struct sctp_stream for (i = 0; i < stream->outcnt; i++) stream->out[i].state = SCTP_STREAM_OPEN; +in: if (!incnt) return 0; Patches currently in stable-queue which might be from marcelo.leitner(a)gmail.com are queue-4.14/sctp-silence-warns-on-sctp_stream_init-allocations.patch

6 years, 10 months

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[Linux-stable-mirror] Patch "tcp: fix under-evaluated ssthresh in TCP Vegas" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled tcp: fix under-evaluated ssthresh in TCP Vegas to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: tcp-fix-under-evaluated-ssthresh-in-tcp-vegas.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Wed Dec 20 18:17:52 CET 2017 From: Hoang Tran <tranviethoang.vn(a)gmail.com> Date: Wed, 27 Sep 2017 18:30:58 +0200 Subject: tcp: fix under-evaluated ssthresh in TCP Vegas From: Hoang Tran <tranviethoang.vn(a)gmail.com> [ Upstream commit cf5d74b85ef40c202c76d90959db4d850f301b95 ] With the commit 76174004a0f19785 (tcp: do not slow start when cwnd equals ssthresh), the comparison to the reduced cwnd in tcp_vegas_ssthresh() would under-evaluate the ssthresh. Signed-off-by: Hoang Tran <hoang.tran(a)uclouvain.be> Signed-off-by: David S. Miller <davem(a)davemloft.net> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- net/ipv4/tcp_vegas.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/net/ipv4/tcp_vegas.c +++ b/net/ipv4/tcp_vegas.c @@ -158,7 +158,7 @@ EXPORT_SYMBOL_GPL(tcp_vegas_cwnd_event); static inline u32 tcp_vegas_ssthresh(struct tcp_sock *tp) { - return min(tp->snd_ssthresh, tp->snd_cwnd-1); + return min(tp->snd_ssthresh, tp->snd_cwnd); } static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 acked) Patches currently in stable-queue which might be from tranviethoang.vn(a)gmail.com are queue-4.14/tcp-fix-under-evaluated-ssthresh-in-tcp-vegas.patch

6 years, 10 months

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[Linux-stable-mirror] Patch "scsi: mpt3sas: Fix IO error occurs on pulling out a drive from RAID1 volume created on two SATA drive" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled scsi: mpt3sas: Fix IO error occurs on pulling out a drive from RAID1 volume created on two SATA drive to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: scsi-mpt3sas-fix-io-error-occurs-on-pulling-out-a-drive-from-raid1-volume-created-on-two-sata-drive.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Wed Dec 20 18:17:52 CET 2017 From: Sreekanth Reddy <sreekanth.reddy(a)broadcom.com> Date: Tue, 10 Oct 2017 18:41:18 +0530 Subject: scsi: mpt3sas: Fix IO error occurs on pulling out a drive from RAID1 volume created on two SATA drive From: Sreekanth Reddy <sreekanth.reddy(a)broadcom.com> [ Upstream commit 2ce9a3645299ba1752873d333d73f67620f4550b ] Whenever an I/O for a RAID volume fails with IOCStatus MPI2_IOCSTATUS_SCSI_IOC_TERMINATED and SCSIStatus equal to (MPI2_SCSI_STATE_TERMINATED | MPI2_SCSI_STATE_NO_SCSI_STATUS) then return the I/O to SCSI midlayer with "DID_RESET" (i.e. retry the IO infinite times) set in the host byte. Previously, the driver was completing the I/O with "DID_SOFT_ERROR" which causes the I/O to be quickly retried. However, firmware needed more time and hence I/Os were failing. Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy(a)broadcom.com> Reviewed-by: Tomas Henzl <thenzl(a)redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen(a)oracle.com> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/scsi/mpt3sas/mpt3sas_scsih.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -4804,6 +4804,11 @@ _scsih_io_done(struct MPT3SAS_ADAPTER *i } else if (log_info == VIRTUAL_IO_FAILED_RETRY) { scmd->result = DID_RESET << 16; break; + } else if ((scmd->device->channel == RAID_CHANNEL) && + (scsi_state == (MPI2_SCSI_STATE_TERMINATED | + MPI2_SCSI_STATE_NO_SCSI_STATUS))) { + scmd->result = DID_RESET << 16; + break; } scmd->result = DID_SOFT_ERROR << 16; break; Patches currently in stable-queue which might be from sreekanth.reddy(a)broadcom.com are queue-4.14/scsi-mpt3sas-fix-io-error-occurs-on-pulling-out-a-drive-from-raid1-volume-created-on-two-sata-drive.patch

6 years, 10 months

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[Linux-stable-mirror] Patch "scsi: lpfc: PLOGI failures during NPIV testing" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled scsi: lpfc: PLOGI failures during NPIV testing to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: scsi-lpfc-plogi-failures-during-npiv-testing.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Wed Dec 20 18:17:52 CET 2017 From: Dick Kennedy <dick.kennedy(a)broadcom.com> Date: Fri, 29 Sep 2017 17:34:32 -0700 Subject: scsi: lpfc: PLOGI failures during NPIV testing From: Dick Kennedy <dick.kennedy(a)broadcom.com> [ Upstream commit e8bcf0ae4c0346fdc78ebefe0eefcaa6a6622d38 ] Local Reject/Invalid RPI errors seen during discovery. Temporary RPI cleanup was occurring regardless of SLI rev. It's only necessary on SLI-4. Adjust the test for whether cleanup is necessary. Signed-off-by: Dick Kennedy <dick.kennedy(a)broadcom.com> Signed-off-by: James Smart <james.smart(a)broadcom.com> Reviewed-by: Johannes Thumshirn <jthumshirn(a)suse.de> Signed-off-by: Martin K. Petersen <martin.petersen(a)oracle.com> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/scsi/lpfc/lpfc_hbadisc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -4983,7 +4983,8 @@ lpfc_nlp_remove(struct lpfc_vport *vport lpfc_cancel_retry_delay_tmo(vport, ndlp); if ((ndlp->nlp_flag & NLP_DEFER_RM) && !(ndlp->nlp_flag & NLP_REG_LOGIN_SEND) && - !(ndlp->nlp_flag & NLP_RPI_REGISTERED)) { + !(ndlp->nlp_flag & NLP_RPI_REGISTERED) && + phba->sli_rev != LPFC_SLI_REV4) { /* For this case we need to cleanup the default rpi * allocated by the firmware. */ Patches currently in stable-queue which might be from dick.kennedy(a)broadcom.com are queue-4.14/scsi-lpfc-fix-warning-messages-when-nvme_target_fc-not-defined.patch queue-4.14/scsi-lpfc-plogi-failures-during-npiv-testing.patch queue-4.14/scsi-lpfc-fix-secure-firmware-updates.patch

6 years, 10 months

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[Linux-stable-mirror] Patch "scsi: lpfc: Fix warning messages when NVME_TARGET_FC not defined" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled scsi: lpfc: Fix warning messages when NVME_TARGET_FC not defined to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: scsi-lpfc-fix-warning-messages-when-nvme_target_fc-not-defined.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Wed Dec 20 18:17:52 CET 2017 From: Dick Kennedy <dick.kennedy(a)broadcom.com> Date: Fri, 29 Sep 2017 17:34:31 -0700 Subject: scsi: lpfc: Fix warning messages when NVME_TARGET_FC not defined From: Dick Kennedy <dick.kennedy(a)broadcom.com> [ Upstream commit 2299e4323d2bf6e0728fdc6b9e8e9704978d2dd7 ] Warning messages when NVME_TARGET_FC not defined on ppc builds The lpfc_nvmet_replenish_context() function is only meaningful when NVME target mode enabled. Surround the function body with ifdefs for target mode enablement. Signed-off-by: Dick Kennedy <dick.kennedy(a)broadcom.com> Signed-off-by: James Smart <james.smart(a)broadcom.com> Reported-by: Stephen Rothwell <sfr(a)canb.auug.org.au> Reviewed-by: Johannes Thumshirn <jthumshirn(a)suse.de> Signed-off-by: Martin K. Petersen <martin.petersen(a)oracle.com> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/scsi/lpfc/lpfc_nvmet.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/scsi/lpfc/lpfc_nvmet.c +++ b/drivers/scsi/lpfc/lpfc_nvmet.c @@ -1464,6 +1464,7 @@ static struct lpfc_nvmet_ctxbuf * lpfc_nvmet_replenish_context(struct lpfc_hba *phba, struct lpfc_nvmet_ctx_info *current_infop) { +#if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) struct lpfc_nvmet_ctxbuf *ctx_buf = NULL; struct lpfc_nvmet_ctx_info *get_infop; int i; @@ -1511,6 +1512,7 @@ lpfc_nvmet_replenish_context(struct lpfc get_infop = get_infop->nvmet_ctx_next_cpu; } +#endif /* Nothing found, all contexts for the MRQ are in-flight */ return NULL; } Patches currently in stable-queue which might be from dick.kennedy(a)broadcom.com are queue-4.14/scsi-lpfc-fix-warning-messages-when-nvme_target_fc-not-defined.patch queue-4.14/scsi-lpfc-plogi-failures-during-npiv-testing.patch queue-4.14/scsi-lpfc-fix-secure-firmware-updates.patch

6 years, 10 months

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[Linux-stable-mirror] Patch "scsi: lpfc: Fix secure firmware updates" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled scsi: lpfc: Fix secure firmware updates to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: scsi-lpfc-fix-secure-firmware-updates.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Wed Dec 20 18:17:52 CET 2017 From: Dick Kennedy <dick.kennedy(a)broadcom.com> Date: Fri, 29 Sep 2017 17:34:42 -0700 Subject: scsi: lpfc: Fix secure firmware updates From: Dick Kennedy <dick.kennedy(a)broadcom.com> [ Upstream commit 184fc2b9a8bcbda9c14d0a1e7fbecfc028c7702e ] Firmware update fails with: status x17 add_status x56 on the final write If multiple DMA buffers are used for the download, some firmware revs have difficulty with signatures and crcs split across the dma buffer boundaries. Resolve by making all writes be a single 4k page in length. Signed-off-by: Dick Kennedy <dick.kennedy(a)broadcom.com> Signed-off-by: James Smart <james.smart(a)broadcom.com> Reviewed-by: Johannes Thumshirn <jthumshirn(a)suse.de> Signed-off-by: Martin K. Petersen <martin.petersen(a)oracle.com> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/scsi/lpfc/lpfc_hw4.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -3636,7 +3636,7 @@ struct lpfc_mbx_get_port_name { #define MB_CEQ_STATUS_QUEUE_FLUSHING 0x4 #define MB_CQE_STATUS_DMA_FAILED 0x5 -#define LPFC_MBX_WR_CONFIG_MAX_BDE 8 +#define LPFC_MBX_WR_CONFIG_MAX_BDE 1 struct lpfc_mbx_wr_object { struct mbox_header header; union { Patches currently in stable-queue which might be from dick.kennedy(a)broadcom.com are queue-4.14/scsi-lpfc-fix-warning-messages-when-nvme_target_fc-not-defined.patch queue-4.14/scsi-lpfc-plogi-failures-during-npiv-testing.patch queue-4.14/scsi-lpfc-fix-secure-firmware-updates.patch

6 years, 10 months

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[Linux-stable-mirror] Patch "scsi: cxgb4i: fix Tx skb leak" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled scsi: cxgb4i: fix Tx skb leak to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: scsi-cxgb4i-fix-tx-skb-leak.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Wed Dec 20 18:17:52 CET 2017 From: Varun Prakash <varun(a)chelsio.com> Date: Wed, 11 Oct 2017 19:33:07 +0530 Subject: scsi: cxgb4i: fix Tx skb leak From: Varun Prakash <varun(a)chelsio.com> [ Upstream commit 9b3a081fb62158b50bcc90522ca2423017544367 ] In case of connection reset Tx skb queue can have some skbs which are not transmitted so purge Tx skb queue in release_offload_resources() to avoid skb leak. Signed-off-by: Varun Prakash <varun(a)chelsio.com> Signed-off-by: Martin K. Petersen <martin.petersen(a)oracle.com> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/scsi/cxgbi/cxgb4i/cxgb4i.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c +++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c @@ -1575,6 +1575,7 @@ static void release_offload_resources(st csk, csk->state, csk->flags, csk->tid); cxgbi_sock_free_cpl_skbs(csk); + cxgbi_sock_purge_write_queue(csk); if (csk->wr_cred != csk->wr_max_cred) { cxgbi_sock_purge_wr_queue(csk); cxgbi_sock_reset_wr_list(csk); Patches currently in stable-queue which might be from varun(a)chelsio.com are queue-4.14/scsi-cxgb4i-fix-tx-skb-leak.patch

6 years, 10 months

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[Linux-stable-mirror] Patch "rtc: pl031: make interrupt optional" has been added to the 4.14-stable tree

by gregkh＠linuxfoundation.org

This is a note to let you know that I've just added the patch titled rtc: pl031: make interrupt optional to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=sum… The filename of the patch is: rtc-pl031-make-interrupt-optional.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable(a)vger.kernel.org> know about it. >From foo@baz Wed Dec 20 18:17:52 CET 2017 From: Russell King <rmk+kernel(a)armlinux.org.uk> Date: Fri, 29 Sep 2017 11:22:15 +0100 Subject: rtc: pl031: make interrupt optional From: Russell King <rmk+kernel(a)armlinux.org.uk> [ Upstream commit 5b64a2965dfdfca8039e93303c64e2b15c19ff0c ] On some platforms, the interrupt for the PL031 is optional. Avoid trying to claim the interrupt if it's not specified. Reviewed-by: Linus Walleij <linus.walleij(a)linaro.org> Signed-off-by: Russell King <rmk+kernel(a)armlinux.org.uk> Signed-off-by: Alexandre Belloni <alexandre.belloni(a)free-electrons.com> Signed-off-by: Sasha Levin <alexander.levin(a)verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> --- drivers/rtc/rtc-pl031.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) --- a/drivers/rtc/rtc-pl031.c +++ b/drivers/rtc/rtc-pl031.c @@ -308,7 +308,8 @@ static int pl031_remove(struct amba_devi dev_pm_clear_wake_irq(&adev->dev); device_init_wakeup(&adev->dev, false); - free_irq(adev->irq[0], ldata); + if (adev->irq[0]) + free_irq(adev->irq[0], ldata); rtc_device_unregister(ldata->rtc); iounmap(ldata->base); kfree(ldata); @@ -381,12 +382,13 @@ static int pl031_probe(struct amba_devic goto out_no_rtc; } - if (request_irq(adev->irq[0], pl031_interrupt, - vendor->irqflags, "rtc-pl031", ldata)) { - ret = -EIO; - goto out_no_irq; + if (adev->irq[0]) { + ret = request_irq(adev->irq[0], pl031_interrupt, + vendor->irqflags, "rtc-pl031", ldata); + if (ret) + goto out_no_irq; + dev_pm_set_wake_irq(&adev->dev, adev->irq[0]); } - dev_pm_set_wake_irq(&adev->dev, adev->irq[0]); return 0; out_no_irq: Patches currently in stable-queue which might be from rmk+kernel(a)armlinux.org.uk are queue-4.14/rtc-pl031-make-interrupt-optional.patch

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