From: Jonas Jensen <jonas.jensen@gmail.com>
Date: Mon, 25 Aug 2014 14:22:40 +0000 (+0200)
Subject: net: moxa: continue loop on skb allocation failure
X-Git-Tag: fixes-for-v3.18-merge-window~162^2~45
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b7890e757bc42f963c835521c2657bd16d7b7d6;p=pandora-kernel.git

net: moxa: continue loop on skb allocation failure

If netdev_alloc_skb_ip_align() fails, subsequent code will
try to dereference an invalid pointer.

Continue to next descriptor on error.

While we're at it,

1. eliminate the chance of an endless loop, replace the main
   loop with while(rx < budget)

2. use napi_complete() and remove the explicit napi_gro_flush()

Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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