From: Rob Herring <rob.herring@calxeda.com>
Date: Fri, 30 Aug 2013 21:49:29 +0000 (-0500)
Subject: net: calxedaxgmac: fix xgmac_xmit DMA mapping error handling
X-Git-Tag: v3.12-rc1~132^2~1^2~14^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=92cd4253e553e87a715243a36623945edcbf1ec7;p=pandora-kernel.git

net: calxedaxgmac: fix xgmac_xmit DMA mapping error handling

On a DMA mapping error in xgmac_xmit, we should simply free the skb and
return NETDEV_TX_OK rather than -EIO. In the case of errors in mapping
frags, we need to undo everything that has been setup.

Reported-by: Andreas Herrmann <andreas.herrmann@calxeda.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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