From: Dhananjay Phadke <dhananjay@netxen.com>
Date: Tue, 5 May 2009 19:05:06 +0000 (+0000)
Subject: netxen: fix race in tx ring acccess
X-Git-Tag: v2.6.31-rc1~330^2~476
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=22527864ed7ee6c50f3c4d4b03c83c963caf5c0b;p=pandora-kernel.git

netxen: fix race in tx ring acccess

Fix the distance check between tx ring producer and consumer that
could lead to tx ring wrap around.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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