2 files changed, 28 insertions, 0 deletions

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 3863c3a4223f..07336c6201f0 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1087,6 +1087,12 @@ static int inetdev_event(struct notifier_block *this, unsigned long event,
         case NETDEV_DOWN:
                 ip_mc_down(in_dev);
                 break;
+        case NETDEV_BONDING_OLDTYPE:
+                ip_mc_unmap(in_dev);
+                break;
+        case NETDEV_BONDING_NEWTYPE:
+                ip_mc_remap(in_dev);
+                break;
         case NETDEV_CHANGEMTU:
                 if (inetdev_valid_mtu(dev->mtu))
                         break;
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 01b4284ed694..d41e5de79a82 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -1298,6 +1298,28 @@ void ip_mc_dec_group(struct in_device *in_dev, __be32 addr)
         }
 }
 
+/* Device changing type */
+
+void ip_mc_unmap(struct in_device *in_dev)
+{
+        struct ip_mc_list *i;
+
+        ASSERT_RTNL();
+
+        for (i = in_dev->mc_list; i; i = i->next)
+                igmp_group_dropped(i);
+}
+
+void ip_mc_remap(struct in_device *in_dev)
+{
+        struct ip_mc_list *i;
+
+        ASSERT_RTNL();
+
+        for (i = in_dev->mc_list; i; i = i->next)
+                igmp_group_added(i);
+}
+
 /* Device going down */
 
 void ip_mc_down(struct in_device *in_dev)