From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Wed, 30 Sep 2009 13:03:33 +0000 (+0000)
Subject: pktgen: Avoid dirtying skb->users when txq is full
X-Git-Tag: v2.6.33-rc1~388^2~943
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0835acfe72e43b2f9bd46ec8c0d219e94c3525e0;p=pandora-kernel.git

pktgen: Avoid dirtying skb->users when txq is full

We can avoid two atomic ops on skb->users if packet is not going to be
sent to the device (because hardware txqueue is full)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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