linux-kernel - [PATCH v2 5/7] vsprintf: reduce code size by avoiding extra check

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Message-ID: <b8bf37780911020926rd5e40b1h957c803f7bb21196@mail.gmail.com>
Date:	Mon, 2 Nov 2009 15:26:36 -0200
From:	André Goddard Rosa <andre.goddard@...il.com>
To:	Frederic Weisbecker <fweisbec@...il.com>, laijs@...fujitsu.com,
	mingo@...e.hu, davem@...emloft.net, akpm@...ux-foundation.org,
	harvey.harrison@...il.com,
	linux list <linux-kernel@...r.kernel.org>
Cc:	me <andre.goddard@...il.com>
Subject: [PATCH v2 5/7] vsprintf: reduce code size by avoiding extra check

>From fd3098fe2764b049e23ea125a20979410699d257 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Goddard=20Rosa?= <andre.goddard@...il.com>
Date: Sun, 1 Nov 2009 13:46:26 -0200
Subject: [PATCH v2 5/7] vsprintf: reduce code size by avoiding extra check
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

   text    data     bss     dec     hex filename
  15735       0       8   15743    3d7f lib/vsprintf.o-before
  15719       0       8   15727    3d6f lib/vsprintf.o-minus-double-check

Signed-off-by: André Goddard Rosa <andre.goddard@...il.com>
---
 lib/vsprintf.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 14e4197..af79152 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -747,8 +747,9 @@ static char *ip6_compressed_string(char *p, const
char *addr)
 				p = pack_hex_byte(p, hi);
 			else
 				*p++ = hex_asc_lo(hi);
+			p = pack_hex_byte(p, lo);
 		}
-		if (hi || lo > 0x0f)
+		else if (lo > 0x0f)
 			p = pack_hex_byte(p, lo);
 		else
 			*p++ = hex_asc_lo(lo);
-- 
1.6.5.2.140.g5f809
--
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