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Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/mcast.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index e5de48551864..3a2849f660ca 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -661,6 +661,10 @@ static void igmp6_group_added(struct ifmcaddr6 *mc)
struct net_device *dev = mc->idev->dev;
char buf[MAX_ADDR_LEN];
+ if (IPV6_ADDR_MC_SCOPE(&mc->mca_addr) <
+ IPV6_ADDR_SCOPE_LINKLOCAL)
+ return;
+
spin_lock_bh(&mc->mca_lock);
if (!(mc->mca_flags&MAF_LOADED)) {
mc->mca_flags |= MAF_LOADED;
@@ -687,6 +691,10 @@ static void igmp6_group_dropped(struct ifmcaddr6 *mc)
struct net_device *dev = mc->idev->dev;
char buf[MAX_ADDR_LEN];
+ if (IPV6_ADDR_MC_SCOPE(&mc->mca_addr) <
+ IPV6_ADDR_SCOPE_LINKLOCAL)
+ return;
+
spin_lock_bh(&mc->mca_lock);
if (mc->mca_flags&MAF_LOADED) {
mc->mca_flags &= ~MAF_LOADED;