[IGMP]: Fix bug in broadcast handling.

d52f4ead · David Stevens · Arnaldo Carvalho de Melo · 3a3a07de · d52f4ead
Commit d52f4ead authored Apr 22, 2003 by David Stevens Committed by Arnaldo Carvalho de Melo Apr 22, 2003
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net/ipv4/igmp.c net/ipv4/igmp.c +3 -0

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--- 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)