From: Duncan Sands <baldrick@free.fr>
Date: Sun, 2 Apr 2006 07:14:57 +0000 (-0300)
Subject: V4L/DVB (3704): Fix some errors on bttv_risc_overlay
X-Git-Tag: v2.6.17-rc5~31^2~32
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3203f94a25ea04b3052d22c7be9518538862d88f;p=pandora-kernel.git

V4L/DVB (3704): Fix some errors on bttv_risc_overlay

There are tree mistakes on bttv_risc_overlay.
1) When skip_odd is true, the number of lines for which
instructions are written is (height+1)/2, not height/2.
2) This occurs when clipping: the number of instruction bytes
written can be as much as 8 + 12*nclips, not 8 + 8*nclips, as
currently estimated.
3) Coverity check were wrong with nskips=0, since it means that
it can clipped at most one line.

Signed-off-by: Duncan Sands <baldrick@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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