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[media] gpsca: remove the risk of a division by zero
authorMauro Carvalho Chehab <m.chehab@samsung.com>
Mon, 7 Apr 2014 13:52:43 +0000 (10:52 -0300)
committerMauro Carvalho Chehab <m.chehab@samsung.com>
Tue, 8 Apr 2014 14:01:12 +0000 (11:01 -0300)
As reported by Coverity, there's a potential risk of a division
by zero on some calls to jpeg_set_qual(), if quality is zero.

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

Coverity reports: CID#11922280, CID#11922293, CID#11922295

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

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