media: s5p-jpeg: prevent buffer overflows

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commit 14a22762c3 upstream.

The current logic allows word to be less than 2. If this happens,
there will be buffer overflows, as reported by smatch. Add extra
checks to prevent it.

While here, remove an unused word = 0 assignment.

Fixes: 6c96dbbc2a ("[media] s5p-jpeg: add support for 5433")
Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Reviewed-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Mauro Carvalho Chehab 2024-10-15 11:10:31 +02:00 • committed by Greg Kroah-Hartman

parent a244b82d0a

commit 784bc785a4

1 changed files with 11 additions and 6 deletions

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drivers/media/platform/samsung/s5p-jpeg/jpeg-core.c

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