strlcpy() will always null terminate the string.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

drivers/md/dm-ioctl.c

@@ -634,9 +634,9 @@ static struct mapped_device *find_device(struct dm_ioctl *param)
 		 * Sneakily write in both the name and the uuid
 		 * while we have the cell.
 		 */
-		strncpy(param->name, hc->name, sizeof(param->name));
+		strlcpy(param->name, hc->name, sizeof(param->name));
 		if (hc->uuid)
-			strncpy(param->uuid, hc->uuid, sizeof(param->uuid)-1);
+			strlcpy(param->uuid, hc->uuid, sizeof(param->uuid));
 		else
 			param->uuid[0] = '\0';