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| author | Dmitry Antipov <dmantipov@yandex.ru> | 2023-06-06 06:38:15 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2023-07-14 09:14:09 +0200 |
| commit | 92cbf865ea2e0f2997ff97815c6db182eb23df1b (patch) | |
| tree | 2036ff1c1dfc7c36e14a1d032d161e49f69d1398 /drivers/media | |
| parent | 20de9fdaf4883deffb0138eef28e9cbbead32cfd (diff) | |
| download | linux-stable-92cbf865ea2e0f2997ff97815c6db182eb23df1b.tar.gz linux-stable-92cbf865ea2e0f2997ff97815c6db182eb23df1b.tar.bz2 linux-stable-92cbf865ea2e0f2997ff97815c6db182eb23df1b.zip | |
media: pulse8-cec: handle possible ping error
Handle (and warn about) possible error waiting for MSGCODE_PING result.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/cec/usb/pulse8/pulse8-cec.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/media/cec/usb/pulse8/pulse8-cec.c b/drivers/media/cec/usb/pulse8/pulse8-cec.c index 04b13cdc38d2..ba67587bd43e 100644 --- a/drivers/media/cec/usb/pulse8/pulse8-cec.c +++ b/drivers/media/cec/usb/pulse8/pulse8-cec.c @@ -809,8 +809,11 @@ static void pulse8_ping_eeprom_work_handler(struct work_struct *work) mutex_lock(&pulse8->lock); cmd = MSGCODE_PING; - pulse8_send_and_wait(pulse8, &cmd, 1, - MSGCODE_COMMAND_ACCEPTED, 0); + if (pulse8_send_and_wait(pulse8, &cmd, 1, + MSGCODE_COMMAND_ACCEPTED, 0)) { + dev_warn(pulse8->dev, "failed to ping EEPROM\n"); + goto unlock; + } if (pulse8->vers < 2) goto unlock; |