--- linux-2.4.7/net/core/dev.c	Sun Jul 15 16:29:40 2001
+++ linux/net/core/dev.c	Fri Jul 27 11:20:01 2001
@@ -1068,7 +1068,7 @@
 atomic_t netdev_dropping = ATOMIC_INIT(0);
 static unsigned long netdev_fc_mask = 1;
 unsigned long netdev_fc_xoff = 0;
-spinlock_t netdev_fc_lock = SPIN_LOCK_UNLOCKED;
+static spinlock_t netdev_fc_lock = SPIN_LOCK_UNLOCKED;
 
 static struct
 {