From: Terry Loftin <terry.loftin@hp.com>
Date: Fri, 9 Apr 2010 10:29:49 +0000 (+0000)
Subject: e1000e: stop cleaning when we reach tx_ring->next_to_use
X-Git-Tag: v2.6.34-rc5~25^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dac876193cd79ced36d0462749ea47c05844fb49;p=pandora-kernel.git

e1000e: stop cleaning when we reach tx_ring->next_to_use

Tx ring buffers after tx_ring->next_to_use are volatile and could
change, possibly causing a crash.  Stop cleaning when we hit
tx_ring->next_to_use.

Signed-off-by: Terry Loftin <terry.loftin@hp.com>
Acked-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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