From: Andy Zhou <azhou@nicira.com>
Date: Mon, 8 Sep 2014 07:35:02 +0000 (-0700)
Subject: openvswitch: refactor do_output() to move NULL check out of fast path
X-Git-Tag: omap-for-v3.19/fixes-rc1~125^2~252^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=738967b8bf57e582db1a23ce773c36fefd4b7d37;p=pandora-kernel.git

openvswitch: refactor do_output() to move NULL check out of fast path

skb_clone() NULL check is implemented in do_output(), as past of the
common (fast) path. Refactoring so that NULL check is done in the
slow path, immediately after skb_clone() is called.

Besides optimization, this change also improves code readability by
making the skb_clone() NULL check consistent within OVS datapath
module.

Signed-off-by: Andy Zhou <azhou@nicira.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
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