From d52f4ead545f13cdf4aba817dd910787bbdb2c08 Mon Sep 17 00:00:00 2001
From: David Stevens <dlstevens@us.ibm.com>
Date: Tue, 22 Apr 2003 09:53:39 -0700
Subject: [PATCH] [IGMP]: Fix bug in broadcast handling.

---
 net/ipv4/igmp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 1989420b799e7..680ab028ad69f 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1991,6 +1991,9 @@ int ip_mc_sf_allow(struct sock *sk, u32 loc_addr, u32 rmt_addr, int dif)
 	struct ip_sf_socklist *psl;
 	int i;
 
+	if (!MULTICAST(loc_addr))
+		return 1;
+
 	for (pmc=inet->mc_list; pmc; pmc=pmc->next) {
 		if (pmc->multi.imr_multiaddr.s_addr == loc_addr &&
 		    pmc->multi.imr_ifindex == dif)
-- 
2.53.0