From: Sylwester Nawrocki <s.nawrocki@samsung.com>
Date: Mon, 26 Aug 2013 14:47:09 +0000 (-0300)
Subject: [media] vb2: Allow queuing OUTPUT buffers with zeroed 'bytesused'
X-Git-Tag: v3.12-rc7~18^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3c5c23c57717bf134a3c3f4af5886c7e08500e34;p=pandora-kernel.git

[media] vb2: Allow queuing OUTPUT buffers with zeroed 'bytesused'

Modify the bytesused/data_offset check to not fail if both bytesused
and data_offset is set to 0. This should minimize possible issues in
existing applications which worked before we enforced the plane lengths
for output buffers checks introduced in commit 8023ed09cb278004a2
"videobuf2-core: Verify planes lengths for output buffers"

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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