bgpd: Do not reset peers on suppress-fib toggling

If the desired state is the same - do nothing instead of resetting once again.

Fixes: bdb5ae8 ("bgpd: Make suppress-fib-pending clear peering")

Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
(cherry picked from commit 7fb4c03)

bgpd/bgpd.c

@@ -461,6 +461,10 @@ void bgp_suppress_fib_pending_set(struct bgp *bgp, bool set)
 	if (bgp->inst_type == BGP_INSTANCE_TYPE_VIEW)
 		return;
 
+	/* Do nothing if already in a desired state */
+	if (set == !!CHECK_FLAG(bgp->flags, BGP_FLAG_SUPPRESS_FIB_PENDING))
+		return;
+
 	if (set) {
 		SET_FLAG(bgp->flags, BGP_FLAG_SUPPRESS_FIB_PENDING);
 		/* Send msg to zebra for the first instance of bgp enabled