Commit 685f94e6 authored Nov 22, 2011 by Jun Zhao Committed by David S. Miller Nov 23, 2011

ipv4 : igmp : fix error handle in ip_mc_add_src()



When add sources to interface failure, need to roll back the sfcount[MODE]
to before state. We need to match it corresponding.

Acked-by: David L Stevens <dlstevens@us.ibm.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Jun Zhao <mypopydev@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 4d0fe50c

net/ipv4/igmp.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1716,6 +1716,7 @@ static int ip_mc_add_src(struct in_device in_dev, __be32 pmca, int sfmode,
		if (err) {
		int j;

		if (!delta)
		pmc->sfcount[sfmode]--;
		for (j=0; j<i; j++)
		(void) ip_mc_del1_src(pmc, sfmode, &psfsrc[j]);