From: Arnout Vandecappelle <arnout@mind.be>
Date: Wed, 17 Mar 2010 22:53:04 +0000 (-0300)
Subject: V4L/DVB: buf-dma-sg.c: don't assume nr_pages == sglen
X-Git-Tag: v2.6.35-rc1~480^2~65
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fc7f8fd42c2b934ac348995e0c530c917fc277d5;p=pandora-kernel.git

V4L/DVB: buf-dma-sg.c: don't assume nr_pages == sglen

videobuf_pages_to_sg() and videobuf_vmalloc_to_sg() happen to create
a scatterlist element for every page.  However, this is not true for
bus addresses, so other functions shouldn't rely on the length of the
scatter list being equal to nr_pages.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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