1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index abd6d9ed8f4b..42e9b2771eab 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -594,6 +594,7 @@ static int lbs_add_mcast_addrs(struct cmd_ds_mac_multicast_adr *cmd,
                 return nr_addrs;
 
         netif_tx_lock_bh(dev);
+        netif_addr_lock(dev);
         for (mc_list = dev->mc_list; mc_list; mc_list = mc_list->next) {
                 if (mac_in_list(cmd->maclist, nr_addrs, mc_list->dmi_addr)) {
                         lbs_deb_net("mcast address %s:%s skipped\n", dev->name,
@@ -608,6 +609,7 @@ static int lbs_add_mcast_addrs(struct cmd_ds_mac_multicast_adr *cmd,
                             print_mac(mac, mc_list->dmi_addr));
                 i++;
         }
+        netif_addr_unlock(dev);
         netif_tx_unlock_bh(dev);
         if (mc_list)
                 return -EOVERFLOW;