netdev - [patch] isdn: icn: use strlcpy() when parsing setup options

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Message-ID: <20150315104803.GA20691@mwanda>
Date:	Sun, 15 Mar 2015 13:48:03 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Karsten Keil <isdn@...ux-pingi.de>
Cc:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [patch] isdn: icn: use strlcpy() when parsing setup options

If you pass an invalid string here then you probably deserve the memory
corruption, but it annoys static analysis tools so lets fix it.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/drivers/isdn/icn/icn.c b/drivers/isdn/icn/icn.c
index 6a7447c..358a574 100644
--- a/drivers/isdn/icn/icn.c
+++ b/drivers/isdn/icn/icn.c
@@ -1609,7 +1609,7 @@ icn_setup(char *line)
 	if (ints[0] > 1)
 		membase = (unsigned long)ints[2];
 	if (str && *str) {
-		strcpy(sid, str);
+		strlcpy(sid, str, sizeof(sid));
 		icn_id = sid;
 		if ((p = strchr(sid, ','))) {
 			*p++ = 0;
--
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