[media] v4l2-ctrls: fix missing 'read-only' check

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VIDIOC_S_CTRL did not check against read-only controls. Even worse, for
controls of type CTRL_CLASS it would cause a kernel oops since those controls
do not have a s_ctrl op.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

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Hans Verkuil 2011-01-16 11:03:28 -03:00 • committed by Mauro Carvalho Chehab

parent 4999e27a62

commit c959acfddb

1 changed files with 3 additions and 0 deletions

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drivers/media/video/v4l2-ctrls.c

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