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[media] v4l2-ioctl: add blocks check for VIDIOC_SUBDEV_G/S_EDID
authorHans Verkuil <hans.verkuil@cisco.com>
Tue, 2 Oct 2012 05:47:58 +0000 (02:47 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Sun, 7 Oct 2012 13:19:34 +0000 (10:19 -0300)
The maximum size of an EDID is 32768 bytes, which is 32768 / 128 = 256 blocks.
Return -EINVAL if blocks > 256 to ensure that the memory allocation is sane.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/v4l2-core/v4l2-ioctl.c patch | blob | history

diff --cc drivers/media/v4l2-core/v4l2-ioctl.c
Simple merge
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