V4L/DVB (5089): Pvrusb2: V4L EXT_CTRLS fixup
authorMike Isely <isely@pobox.com>
Sat, 20 Jan 2007 03:30:23 +0000 (00:30 -0300)
committerMauro Carvalho Chehab <mchehab@infradead.org>
Wed, 21 Feb 2007 15:34:40 +0000 (13:34 -0200)
commitc1c2680d922cd36338cf3efaf4ce0067c3e26eb1
tree5764abf23a7a5112704018f7480d1a3605df4ca1
parentaf75453860569b6110fbf43c7113f52f698d37a3
V4L/DVB (5089): Pvrusb2: V4L EXT_CTRLS fixup

Attempts to enumerate or operate on a group of EXT_CTRLS where the
group size is zero is OK; don't fail on such operations.  At least one
application uses this to probe for the existence of this API so let it
succeed.

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
drivers/media/video/pvrusb2/pvrusb2-v4l2.c