V4L/DVB: uvcvideo: Prevent division by 0 when control step value is 0

Browse source

commit cf7a50eeb6 upstream.

The control step values reported by the device are used as a divisor
unchecked, which can result in a division by zero.

Check the step value and make it 1 when null.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

...

This commit is contained in:

Laurent Pinchart 2010-04-25 16:27:14 -03:00 • committed by Greg Kroah-Hartman

parent 135b48da0c

commit eaeb91e532

1 changed files with 2 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

drivers/media/video/uvc/uvc_ctrl.c

View file