batman-adv: reset broadcast flood protection on error

The broadcast flood protection should be reset to its original value
if the primary interface could not be retrieved.

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c
index 76daa46..3377927 100644
--- a/net/batman-adv/send.c
+++ b/net/batman-adv/send.c
@@ -421,7 +421,7 @@
 
 	primary_if = primary_if_get_selected(bat_priv);
 	if (!primary_if)
-		goto out;
+		goto out_and_inc;
 
 	forw_packet = kmalloc(sizeof(struct forw_packet), GFP_ATOMIC);