From: Duncan Sands <duncan.sands@math.u-psud.fr>
Date: Tue, 11 Apr 2006 13:18:57 +0000 (-0300)
Subject: V4L/DVB (3766): Correct buffer size calculations in cx88-core.c
X-Git-Tag: v2.6.17-rc5~31^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bba3ad76a82eb458d31b136fa2414216e20c99cc;p=pandora-kernel.git

V4L/DVB (3766): Correct buffer size calculations in cx88-core.c

The computation in cx88_risc_buffer suffers from the mistake:
a non-zero padding value can cause more page borders to be crossed,
leading to big buffer over-runs.
This patch changes the additive constant from 3 + 4 to 4
It also changees the constant in cx88_risc_databuffer from 3 + 4 to 2,
because 2 dwords are the correct vaule.

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