From: Jingoo Han <jg1.han@samsung.com>
Date: Mon, 11 Jun 2012 02:27:27 +0000 (+0900)
Subject: video: s3c-fb: fix possible division by zero in s3c_fb_calc_pixclk
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=b67989515defba7412acff01162e5bb1f0f5923a;p=openwrt%2Fstaging%2Fblogic.git

video: s3c-fb: fix possible division by zero in s3c_fb_calc_pixclk

Divider value can be zero and it makes division by zero
from debug message in s3c_fb_calc_pixclk; therefore, it
should be fixed.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
---

diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
index b5c29399a5ee..ea7b661e7229 100644
--- a/drivers/video/s3c-fb.c
+++ b/drivers/video/s3c-fb.c
@@ -361,7 +361,7 @@ static int s3c_fb_calc_pixclk(struct s3c_fb *sfb, unsigned int pixclk)
 	result = (unsigned int)tmp / 1000;
 
 	dev_dbg(sfb->dev, "pixclk=%u, clk=%lu, div=%d (%lu)\n",
-		pixclk, clk, result, clk / result);
+		pixclk, clk, result, result ? clk / result : clk);
 
 	return result;
 }