author Marek Szyprowski <m.szyprowski@samsung.com> 1319522879 -0300
committer Mauro Carvalho Chehab <mchehab@redhat.com> 1320750341 -0200

[media] media: vb2: reset queued list on REQBUFS(0) call

Queued list was not reset on REQBUFS(0) call. This caused to enqueue a
freed buffer to the driver.

Reported-by: Angela Wan <angela.j.wan@gmail.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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