Many drivers with tty use the tty_stand_install(). But, there is no need to handle the error, since it always returns 0. So, change the return type of tty_standard_install() and tty_port_install() to void type and remove unnecessary exception handling where we use these functions.
Change return type for tty functions. Patch No.01 tty: Change return type to void
Apply tty_port_install() changes. Patch No.02~14 isdn: i4l: isdn_tty: Change return type to void ... Bluetooth: Change return type to void
Apply tty_standard_install() changes. Patch No.15~25 um: Change return type to void ... usb: usb-serial: Change return type to void
Jaejoong Kim (25): tty: Change return type to void isdn: i4l: isdn_tty: Change return type to void s390: char: con3215: Change return type to void s390: char: tty3270: Change return type to void tty: hvc: hvc_console: Change return type to void tty: hvc: hvcs: Change return type to void tty: mips_ejtag_fdc: Change return type to void tty: n_gsm: Change return type to void tty: serial: kgdb_nmi: Change return type to void tty: synclink: Change return type to void tty: synclinkmp: Change return type to void tty: vt: Change return type to void usb: xhci: dbc: Change return type to void Bluetooth: Change return type to void um: Change return type to void isdn: capi: Change return type to void misc: pti: Change return type to void mmc: core: sdio_uart: Change return type to void staging: fwserial: Change return type to void staging: gdm724x: gdm_tty: Change return type to void staging: greybus: uart: Change return type to void tty: nozomi: Change return type to void tty: vcc: Change return type to void usb: cdc-acm: Change return type to void usb: usb-serial: Change return type to void
arch/um/drivers/line.c | 7 +------ drivers/isdn/capi/capi.c | 10 ++++------ drivers/isdn/i4l/isdn_tty.c | 3 ++- drivers/misc/pti.c | 28 +++++++++++++--------------- drivers/mmc/core/sdio_uart.c | 11 ++++------- drivers/s390/char/con3215.c | 3 ++- drivers/s390/char/tty3270.c | 7 +------ drivers/staging/fwserial/fwserial.c | 22 ++++++++-------------- drivers/staging/gdm724x/gdm_tty.c | 11 +++-------- drivers/staging/greybus/uart.c | 10 ++-------- drivers/tty/hvc/hvc_console.c | 7 ++----- drivers/tty/hvc/hvcs.c | 10 ++-------- drivers/tty/mips_ejtag_fdc.c | 4 +++- drivers/tty/n_gsm.c | 9 +-------- drivers/tty/nozomi.c | 8 +++----- drivers/tty/serial/kgdb_nmi.c | 11 +---------- drivers/tty/synclink.c | 3 ++- drivers/tty/synclinkmp.c | 3 ++- drivers/tty/tty_io.c | 10 ++++++---- drivers/tty/tty_port.c | 4 ++-- drivers/tty/vcc.c | 5 +---- drivers/tty/vt/vt.c | 5 +---- drivers/usb/class/cdc-acm.c | 10 +--------- drivers/usb/host/xhci-dbgtty.c | 3 ++- drivers/usb/serial/usb-serial.c | 6 +----- include/linux/tty.h | 4 ++-- net/bluetooth/rfcomm/tty.c | 7 +------ 27 files changed, 73 insertions(+), 148 deletions(-)