From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Tue, 5 Aug 2014 08:11:13 +0000 (-0300)
Subject: [media] vmalloc_sg: off by one in error handling
X-Git-Tag: fixes-against-v3.18-rc2~130^2^2~445
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=23d3090f8b44ab42162e99e8584445bc25b8922f;p=pandora-kernel.git

[media] vmalloc_sg: off by one in error handling

The "i--" needs to happen at the start of the loop or it will try to
release something bogus (probably it will crash) and it won't release
the first ->vaddr_page[].

Fixes: 7b4eeed174b7 ('[media] vmalloc_sg: make sure all pages in vmalloc area are really DMA-ready')

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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