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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>
Tue, 19 Sep 2023 10:22:44 +0000 (12:22 +0200)
commitf64d02822b82ba6e08b4770ff498441a0f6d537e
treee1738bf0a6337533390683f1090c27b623012969tree
parent7ca7cd02114ac8caa6b0a64734b9af6be1559353commit | 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