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media: cx24120: Add retval check for cx24120_message_send()
authorDaniil Dulov <d.dulov@aladdin.ru>
Fri, 2 Jun 2023 08:55:01 +0000 (01:55 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 23 Sep 2023 08:46:57 +0000 (10:46 +0200)
commit1b64c138d00fca2685203262772c0d65f0d6d093
tree242a3e7f146f528bac5cd7eae4df17d364646beetree
parent809623fedc31f4e74039d93bb75a8993635d7534commit | diff
media: cx24120: Add retval check for cx24120_message_send()

[ Upstream commit 96002c0ac824e1773d3f706b1f92e2a9f2988047 ]

If cx24120_message_send() returns error, we should keep local struct
unchanged.

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

Fixes: 5afc9a25be8d ("[media] Add support for TechniSat Skystar S2")
Signed-off-by: Daniil Dulov <d.dulov@aladdin.ru>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/media/dvb-frontends/cx24120.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git