From: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Date: Thu, 4 Mar 2010 16:27:02 +0000 (+0200)
Subject: rndis_wlan: copy only useful data from rndis_command respond
X-Git-Tag: v2.6.35-rc1~473^2~714^2~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=80f8c5b434f94926c6489d7350d58aecb53ab70f;p=pandora-kernel.git

rndis_wlan: copy only useful data from rndis_command respond

rndis_query_oid() uses full output buffer size to copy response buffer
from rndis_command()/device. This doesn't cause problems as response buffer
is sized based on output buffer but does copy extra unset bytes.
So change rndis_query_oid() so that only meaningful bytes are being copied.

Also in case of malfunctioning device/cable/etc returned data offset from
device might be wrong so bound check memory access correctly, so add
checks for this.

v2: fixed to use new netdev_dbg/warn/etc instead of old devdbg/warn/etc

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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