netdev - [PATCH net-next] net: bridge: mcast: don't ignore return value of __grp_src_toex

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Date:   Tue, 15 Sep 2020 17:57:24 +0300
From:   Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
To:     netdev@...r.kernel.org
Cc:     roopa@...dia.com, bridge@...ts.linux-foundation.org,
        davem@...emloft.net,
        Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
Subject: [PATCH net-next] net: bridge: mcast: don't ignore return value of __grp_src_toex_excl

When we're handling TO_EXCLUDE report in EXCLUDE filter mode we should
not ignore the return value of __grp_src_toex_excl() as we'll miss
sending notifications about group changes.

Fixes: 5bf1e00b6849 ("net: bridge: mcast: support for IGMPV3/MLDv2 CHANGE_TO_INCLUDE/EXCLUDE report")
Signed-off-by: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
---
 net/bridge/br_multicast.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 33adf44ef7ec..e77f1e27caf7 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1710,7 +1710,7 @@ static bool br_multicast_toex(struct net_bridge_port_group *pg,
 		changed = true;
 		break;
 	case MCAST_EXCLUDE:
-		__grp_src_toex_excl(pg, srcs, nsrcs, src_size);
+		changed = __grp_src_toex_excl(pg, srcs, nsrcs, src_size);
 		break;
 	}
 
-- 
2.25.4