linux-yocto/drivers/media/rc
Murad Masimov 3eaf580cba media: streamzap: prevent processing IR data on URB failure
commit 549f6d3481 upstream.

If streamzap_callback() receives an urb with any non-critical error
status, i.e. any error code other than -ECONNRESET, -ENOENT or -ESHUTDOWN,
it will try to process IR data, ignoring a possible transfer failure.

Make streamzap_callback() process IR data only when urb->status is 0.
Move processing logic to a separate function to make code cleaner and
more similar to the URB completion handlers in other RC drivers.

Found by Linux Verification Center (linuxtesting.org) with Syzkaller.

Fixes: 19770693c3 ("V4L/DVB: staging/lirc: add lirc_streamzap driver")
Cc: stable@vger.kernel.org
Signed-off-by: Murad Masimov <m.masimov@mt-integration.ru>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-04-25 10:45:23 +02:00
..
img-ir
keymaps
ati_remote.c
bpf-lirc.c
ene_ir.c
ene_ir.h
fintek-cir.c
fintek-cir.h
gpio-ir-recv.c
gpio-ir-tx.c
igorplugusb.c
iguanair.c
imon_raw.c
imon.c
ir_toy.c
ir-hix5hd2.c
ir-imon-decoder.c
ir-jvc-decoder.c
ir-mce_kbd-decoder.c
ir-nec-decoder.c
ir-rc5-decoder.c
ir-rc6-decoder.c
ir-rcmm-decoder.c
ir-rx51.c
ir-sanyo-decoder.c
ir-sharp-decoder.c
ir-sony-decoder.c
ir-spi.c
ir-xmp-decoder.c
ite-cir.c
ite-cir.h
Kconfig
lirc_dev.c
Makefile
mceusb.c
meson-ir-tx.c
meson-ir.c
mtk-cir.c
nuvoton-cir.c
nuvoton-cir.h
pwm-ir-tx.c
rc-core-priv.h
rc-ir-raw.c
rc-loopback.c
rc-main.c
redrat3.c
serial_ir.c
st_rc.c
streamzap.c media: streamzap: prevent processing IR data on URB failure 2025-04-25 10:45:23 +02:00
sunxi-cir.c
ttusbir.c
winbond-cir.c
xbox_remote.c