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V4L/DVB: buf-dma-sg.c: don't assume nr_pages == sglen
author
Arnout Vandecappelle
<arnout@mind.be>
Wed, 17 Mar 2010 22:53:04 +0000
(19:53 -0300)
committer
Mauro Carvalho Chehab
<mchehab@redhat.com>
Wed, 19 May 2010 15:58:40 +0000
(12:58 -0300)
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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git.openpandora.org / pandora-kernel.git / commitdiff