[media] gpsca: remove the risk of a division by zero
authorLuis de Bethencourt <luis@debethencourt.com>
Mon, 9 Feb 2015 10:16:25 +0000 (07:16 -0300)
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>
Tue, 10 Feb 2015 23:38:40 +0000 (21:38 -0200)
commitd6d4c0e00fe559ef54b414e2e6266beaa50b4d8e
treeb91202f79503da8f7c5701404868755f5ddc3f01
parent4bad5d2d25099a42e146d7b18d2b98950ed287f5
[media] gpsca: remove the risk of a division by zero

As reported by Peter Kovar, there's a potential risk of a division by
zero on calls to jpeg_set_qual() when quality is zero.

As quality can't be 0 or lower than that, add an extra clause to cover
this special case.

Signed-off-by: Luis de Bethencourt <luis.bg@samsung.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
drivers/media/usb/gspca/topro.c