]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
media: saa7134: avoid a shift overflow
authorMauro Carvalho Chehab <mchehab+huawei@kernel.org>
Wed, 2 Sep 2020 06:37:12 +0000 (08:37 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 29 Oct 2020 08:03:08 +0000 (09:03 +0100)
commit137571eab26bea7b6fbec7735e393341dacdb754
tree5061b3fb420bf0ff86cabfbed7d984d92022cf95
parentd14221529f06cd426f059043de8bd709bd106daf
media: saa7134: avoid a shift overflow

[ Upstream commit 15a36aae1ec1c1f17149b6113b92631791830740 ]

As reported by smatch:
drivers/media/pci/saa7134//saa7134-tvaudio.c:686 saa_dsp_writel() warn: should 'reg << 2' be a 64 bit type?

On a 64-bits Kernel, the shift might be bigger than 32 bits.

In real, this should never happen, but let's shut up the warning.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/media/pci/saa7134/saa7134-tvaudio.c