diff options
Diffstat (limited to 'net/core/dev_mcast.c')
| -rw-r--r-- | net/core/dev_mcast.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/net/core/dev_mcast.c b/net/core/dev_mcast.c index 99aece1aeccf..20330c572610 100644 --- a/net/core/dev_mcast.c +++ b/net/core/dev_mcast.c @@ -116,11 +116,13 @@ int dev_mc_add(struct net_device *dev, void *addr, int alen, int glbl) */ int dev_mc_sync(struct net_device *to, struct net_device *from) { - struct dev_addr_list *da; + struct dev_addr_list *da, *next; int err = 0; netif_tx_lock_bh(to); - for (da = from->mc_list; da != NULL; da = da->next) { + da = from->mc_list; + while (da != NULL) { + next = da->next; if (!da->da_synced) { err = __dev_addr_add(&to->mc_list, &to->mc_count, da->da_addr, da->da_addrlen, 0); @@ -134,6 +136,7 @@ int dev_mc_sync(struct net_device *to, struct net_device *from) __dev_addr_delete(&from->mc_list, &from->mc_count, da->da_addr, da->da_addrlen, 0); } + da = next; } if (!err) __dev_set_rx_mode(to); @@ -156,12 +159,14 @@ EXPORT_SYMBOL(dev_mc_sync); */ void dev_mc_unsync(struct net_device *to, struct net_device *from) { - struct dev_addr_list *da; + struct dev_addr_list *da, *next; netif_tx_lock_bh(from); netif_tx_lock_bh(to); - for (da = from->mc_list; da != NULL; da = da->next) { + da = from->mc_list; + while (da != NULL) { + next = da->next; if (!da->da_synced) continue; __dev_addr_delete(&to->mc_list, &to->mc_count, @@ -169,6 +174,7 @@ void dev_mc_unsync(struct net_device *to, struct net_device *from) da->da_synced = 0; __dev_addr_delete(&from->mc_list, &from->mc_count, da->da_addr, da->da_addrlen, 0); + da = next; } __dev_set_rx_mode(to); |