From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Mon, 3 Aug 2009 19:58:26 +0000 (+0200)
Subject: mwl8k: fix NULL pointer dereference on receive out-of-memory
X-Git-Tag: v2.6.31-rc7~27^2~42^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d25f9f1357139bbdc79bc960ea84909a7c22ec2b;p=pandora-kernel.git

mwl8k: fix NULL pointer dereference on receive out-of-memory

When we go into out-of-memory and fail to allocate skbuffs to
refill the receive ring with, rxq_process can end up running into
a receive ring entry that is marked as host-owned but doesn't have
an associated skbuff.  If this happens, we must break out of the
rx processing loop instead of trying to process the descriptor.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Acked-by: Nicolas Pitre <nico@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

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