linux-kernel - [PATCH] fbcon: trivial optimization for fbcon

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Date:	Fri, 27 Dec 2013 10:39:18 +0800
From:	Wang YanQing <udknight@...il.com>
To:	tomi.valkeinen@...com
Cc:	plagnioj@...osoft.com, airlied@...hat.com,
	gregkh@...uxfoundation.org, akpm@...ux-foundation.org,
	kamal@...nce.com, linux-fbdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] fbcon: trivial optimization for fbcon_exit

Break out as soon as we find a mapped entry con2fb_map.

Signed-off-by: Wang YanQing <udknight@...il.com>
---
 drivers/video/console/fbcon.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index cd8a802..f39931f 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -3547,8 +3547,10 @@ static void fbcon_exit(void)
 			"no"));
 
 		for (j = first_fb_vc; j <= last_fb_vc; j++) {
-			if (con2fb_map[j] == i)
+			if (con2fb_map[j] == i) {
 				mapped = 1;
+				break;
+			}
 		}
 
 		if (mapped) {
-- 
1.8.3.4.8.g69490f3.dirty
--
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