3c574_cs: spin_lock the set_multicast_list function

3c574_cs:
 spin_lock the set_multicast_list function.

Signed-off-by: Ken Kawasaki <ken_kawasaki@spring.nifty.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 12 insertions, 1 deletions

diff --git a/drivers/net/pcmcia/3c574_cs.c b/drivers/net/pcmcia/3c574_cs.c
index ee8ad3e180dd..b58965a2b3ae 100644
--- a/drivers/net/pcmcia/3c574_cs.c
+++ b/drivers/net/pcmcia/3c574_cs.c
@@ -251,6 +251,7 @@ static void el3_tx_timeout(struct net_device *dev);
 static int el3_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
 static const struct ethtool_ops netdev_ethtool_ops;
 static void set_rx_mode(struct net_device *dev);
+static void set_multicast_list(struct net_device *dev);
 
 static void tc574_detach(struct pcmcia_device *p_dev);
 
@@ -266,7 +267,7 @@ static const struct net_device_ops el3_netdev_ops = {
         .ndo_tx_timeout         = el3_tx_timeout,
         .ndo_get_stats          = el3_get_stats,
         .ndo_do_ioctl           = el3_ioctl,
-        .ndo_set_multicast_list = set_rx_mode,
+        .ndo_set_multicast_list = set_multicast_list,
         .ndo_change_mtu         = eth_change_mtu,
         .ndo_set_mac_address    = eth_mac_addr,
         .ndo_validate_addr      = eth_validate_addr,
@@ -1161,6 +1162,16 @@ static void set_rx_mode(struct net_device *dev)
                 outw(SetRxFilter | RxStation | RxBroadcast, ioaddr + EL3_CMD);
 }
 
+static void set_multicast_list(struct net_device *dev)
+{
+        struct el3_private *lp = netdev_priv(dev);
+        unsigned long flags;
+
+        spin_lock_irqsave(&lp->window_lock, flags);
+        set_rx_mode(dev);
+        spin_unlock_irqrestore(&lp->window_lock, flags);
+}
+
 static int el3_close(struct net_device *dev)
 {
         unsigned int ioaddr = dev->base_addr;