From 738967b8bf57e582db1a23ce773c36fefd4b7d37 Mon Sep 17 00:00:00 2001
From: Andy Zhou <azhou@nicira.com>
Date: Mon, 8 Sep 2014 00:35:02 -0700
Subject: [PATCH] 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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