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From: Wang YanQing <udknight@gmail.com>
To: tomi.valkeinen@ti.com
Cc: plagnioj@jcrosoft.com, airlied@redhat.com,
	gregkh@linuxfoundation.org, akpm@linux-foundation.org,
	kamal@whence.com, linux-fbdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH] fbcon: trivial optimization for fbcon_exit
Date: Fri, 27 Dec 2013 02:39:18 +0000	[thread overview]
Message-ID: <20131227023917.GA3908@udknight> (raw)

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

Signed-off-by: Wang YanQing <udknight@gmail.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

WARNING: multiple messages have this Message-ID (diff)
From: Wang YanQing <udknight@gmail.com>
To: tomi.valkeinen@ti.com
Cc: plagnioj@jcrosoft.com, airlied@redhat.com,
	gregkh@linuxfoundation.org, akpm@linux-foundation.org,
	kamal@whence.com, linux-fbdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH] fbcon: trivial optimization for fbcon_exit
Date: Fri, 27 Dec 2013 10:39:18 +0800	[thread overview]
Message-ID: <20131227023917.GA3908@udknight> (raw)

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

Signed-off-by: Wang YanQing <udknight@gmail.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

             reply	other threads:[~2013-12-27  2:39 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-27  2:39 Wang YanQing [this message]
2013-12-27  2:39 ` [PATCH] fbcon: trivial optimization for fbcon_exit Wang YanQing
2014-01-08  9:48 ` Tomi Valkeinen
2014-01-08  9:48   ` Tomi Valkeinen

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