From 6c4989748759f433bf999f33c1ff3853ed5ca945 Mon Sep 17 00:00:00 2001
From: willy tarreau <w@1wt.eu>
Date: Thu, 16 Jan 2014 08:20:12 +0100
Subject: [PATCH] net: mvneta: remove tests for impossible cases in the tx_done
 path

Currently, mvneta_txq_bufs_free() calls mvneta_tx_done_policy() with
a non-null cause to retrieve the pointer to the next queue to process.
There are useless tests on the return queue number and on the pointer,
all of which are well defined within a known limited set. This code
path is fast, although not critical. Removing 3 tests here that the
compiler could not optimize (verified) is always desirable.

Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Gregory CLEMENT <gregory.clement@free-electrons.com>
Tested-by: Arnaud Ebalard <arno@natisbad.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
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