*: hopefully all setup_common_bufsiz() are in place

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

networking/libiproute/iproute.c

@@ -45,6 +45,7 @@ struct filter_t {
 typedef struct filter_t filter_t;
 
 #define G_filter (*(filter_t*)bb_common_bufsiz1)
+#define INIT_G() do { setup_common_bufsiz(); } while (0)
 
 static int flush_update(void)
 {
@@ -903,6 +904,8 @@ int FAST_FUNC do_iproute(char **argv)
 	unsigned flags = 0;
 	int cmd = RTM_NEWROUTE;
 
+	INIT_G();
+
 	if (!*argv)
 		return iproute_list_or_flush(argv, 0);