From: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Date: Sun, 12 May 2013 11:43:33 +0000 (+0300)
Subject: wil6210: Sanity check for reported DMA length
X-Git-Tag: v3.11-rc1~16^2~103^2^2~103
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e270045b569cc7030abd29857f3a4e7906524ec0;p=pandora-kernel.git

wil6210: Sanity check for reported DMA length

If Rx descriptor contains garbage, it is possible to access memory beyond
allocated buffer.

Check this condition and drop Rx if reported length is
unreasonable large

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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