linux-kernel - [PATCH 3/5] video: fbdev: uvesafb.c: Cleaning up missing null-terminate by switching from strncpy to strzcpy

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Date:	Sun, 19 Oct 2014 00:14:56 +0200
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	Michal Januszewski <spock@...too.org>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>
Cc:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	Andi Kleen <ak@...ux.intel.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Dan Carpenter <dan.carpenter@...cle.com>,
	Grant Likely <grant.likely@...aro.org>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/5] video: fbdev: uvesafb.c:  Cleaning up missing null-terminate by switching from strncpy to strzcpy

Ensures that the string is null-terminate in connection with the
use of strncpy, by switching from strncpy to strzcpy.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
---
 drivers/video/fbdev/uvesafb.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c
index 509d452..3383b34 100644
--- a/drivers/video/fbdev/uvesafb.c
+++ b/drivers/video/fbdev/uvesafb.c
@@ -1892,7 +1892,7 @@ static ssize_t show_v86d(struct device_driver *dev, char *buf)
 static ssize_t store_v86d(struct device_driver *dev, const char *buf,
 		size_t count)
 {
-	strncpy(v86d_path, buf, PATH_MAX);
+	strzcpy(v86d_path, buf, sizeof(v86d_path));
 	return count;
 }
 
-- 
1.7.10.4

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