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media: s5p_cec: limit msg.len to CEC_MAX_MSG_SIZE
authorHans Verkuil <hverkuil-cisco@xs4all.nl>
Wed, 24 Aug 2022 07:02:42 +0000 (09:02 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 10 Nov 2022 14:47:22 +0000 (15:47 +0100)
commitfc0f76dd5f116fa9291327024dda392f8b4e849c
tree0fd7a300180aabb98e57406ad9d07bdf28b4b7actree | snapshot (tar.gz zip)
parent0d38b4ca6679e72860ff8730e79bb99d0e9fa3b0commit | diff
media: s5p_cec: limit msg.len to CEC_MAX_MSG_SIZE

[ Upstream commit 93f65ce036863893c164ca410938e0968964b26c ]

I expect that the hardware will have limited this to 16, but just in
case it hasn't, check for this corner case.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/media/platform/s5p-cec/s5p_cec.c diff | blob | blame | history