From: Marek Szyprowski <m.szyprowski@samsung.com>
Date: Wed, 12 Oct 2011 16:09:53 +0000 (-0300)
Subject: [media] media: vb2: add a check for uninitialized buffer
X-Git-Tag: v3.2-rc2~15^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2c2dd6ac738d8a22def46e073fb7383cac8fa180;p=pandora-kernel.git

[media] media: vb2: add a check for uninitialized buffer

__buffer_in_use() might be called for empty/uninitialized buffer in the
following scenario: REQBUF(n, USER_PTR), QUERYBUF(). This patch fixes
kernel ops in such case.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
CC: Pawel Osciak <pawel@osciak.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

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