[PATCH 2.4 6/13] e1000: Synchronizing multicast table setup with transmit path - ak@suse.de

[Ganesh Venkatesan <ganesh.venkatesan@xxxxxxxxx>]

Signed-off-by: Ganesh Venkatesan <ganesh.venkatesan@xxxxxxxxx>
diff -up net-drivers-2.4/drivers/net/e1000/e1000_main.c 
net-drivers-2.4/drivers/net/e1000.new/e1000_main.c
--- net-drivers-2.4/drivers/net/e1000/e1000_main.c      2004-12-06 
08:43:11.635381920 -0800
+++ net-drivers-2.4/drivers/net/e1000.new/e1000_main.c  2004-12-06 
08:43:12.534245272 -0800
@@ -1260,9 +1260,12 @@ e1000_set_multi(struct net_device *netde
        uint32_t rctl;
        uint32_t hash_value;
        int i;
+       unsigned long flags;
 
        /* Check for Promiscuous and All Multicast modes */
 
+       spin_lock_irqsave(&adapter->tx_lock, flags);
+
        rctl = E1000_READ_REG(hw, RCTL);
 
        if(netdev->flags & IFF_PROMISC) {
@@ -1311,6 +1314,8 @@ e1000_set_multi(struct net_device *netde
 
        if(hw->mac_type == e1000_82542_rev2_0)
                e1000_leave_82542_rst(adapter);
+
+       spin_unlock_irqrestore(&adapter->tx_lock, flags);
 }
 
 /* Need to wait a few seconds after link up to get diagnostic information from