net: Use snprintf instead of sprintf

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

net.c

@@ -101,7 +101,7 @@ static int ipv4_conf_op(char *tgt, int *conf, int op, NetnsEntry **netns)
 			continue;
 		}
 
-		sprintf(path[i], "%s/%s/%s", NET_CONF_PATH, tgt, devconfs[i]);
+		snprintf(path[i], MAX_CONF_OPT_PATH, "%s/%s/%s", NET_CONF_PATH, tgt, devconfs[i]);
 		req[ri].name = path[i];
 		req[ri].arg = &conf[i];
 		req[ri].type = CTL_32;