X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-linux.git;a=blobdiff_plain;f=drivers%2Fisdn%2Fi4l%2Fisdn_net.c;h=f63a110b7bcb2d2257869484bd9b894d94b9b5d2;hp=c151c6daa67ee8aa2ae600b4462f146d85776335;hb=ce7ba95cf078337c9921b301a7e4b9e82561db38;hpb=e9d488c3114acb6a0a93e99c02f9cd1d656f46c7

diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index c151c6daa67e..f63a110b7bcb 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -2611,10 +2611,9 @@ isdn_net_newslave(char *parm)
 	char newname[10];
 
 	if (p) {
-		/* Slave-Name MUST not be empty */
-		if (!strlen(p + 1))
+		/* Slave-Name MUST not be empty or overflow 'newname' */
+		if (strscpy(newname, p + 1, sizeof(newname)) <= 0)
 			return NULL;
-		strcpy(newname, p + 1);
 		*p = 0;
 		/* Master must already exist */
 		if (!(n = isdn_net_findif(parm)))