diff -ru vmnet-only.orig/bridge.c vmnet-only/bridge.c
--- vmnet-only.orig/bridge.c	Thu May 10 11:33:58 2001
+++ vmnet-only/bridge.c	Thu Aug 16 17:33:07 2001
@@ -19,7 +19,7 @@
 #include <linux/kernel.h>
 #include <linux/version.h>
 #include <linux/sched.h>
-#include <linux/malloc.h>
+#include <linux/slab.h>
 #ifdef KERNEL_2_1
 #include <linux/poll.h>
 #include <asm/uaccess.h>
@@ -44,7 +44,7 @@
 #include "vnetInt.h"
 
 
-#define VNET_BRIDGE_HISTORY    8
+#define VNET_BRIDGE_HISTORY    48
 
 typedef struct VNetBridge VNetBridge;
 
@@ -58,6 +58,7 @@
    Bool                     savedPromisc;
    struct sk_buff          *history[VNET_BRIDGE_HISTORY];
    VNetPort                 port;
+   spinlock_t		    historyLock;
 };
 
 
@@ -130,6 +131,7 @@
       goto out;
    }
    memset(bridge, 0, sizeof *bridge);
+   spin_lock_init(&bridge->historyLock);
    memcpy(bridge->name, devName, sizeof bridge->name);
 
    /*
@@ -391,6 +393,8 @@
 	 unsigned long flags;
 	 int i;
 	 SKB_INCREF(clone);
+	 
+	 spin_lock_irqsave(&bridge->historyLock, flags);
 	 // XXX need to lock history
 	 for (i = 0; i < VNET_BRIDGE_HISTORY; i++) {
 	    if (bridge->history[i] == NULL) {
@@ -417,11 +421,15 @@
 	    for (i = 0; i < VNET_BRIDGE_HISTORY; i++) {
 	       struct sk_buff *s = bridge->history[i];
 	       bridge->history[i] = NULL;
-	       KFREE_SKB(s, FREE_WRITE);
+	       if (s) {
+	       	  spin_unlock_irqrestore(&bridge->historyLock, flags);
+		  KFREE_SKB(s, FREE_WRITE);
+		  spin_lock_irqsave(&bridge->historyLock, flags);
+	       }
 	    }
 	    bridge->history[0] = clone;
 	 }
-         
+         spin_unlock_irqrestore(&bridge->historyLock, flags);
 	 clone->dev = dev;
 	 clone->protocol = eth_type_trans(clone, dev);
 	 save_flags(flags);
@@ -773,6 +781,7 @@
 {
    VNetBridge *bridge = *(VNetBridge**)&((struct sock *)pt->data)->protinfo;
    int i;
+   unsigned long flags;
 
    if (bridge->dev == NULL) {
       LOG(3, (KERN_DEBUG "bridge-%s: received %d closed\n",
@@ -782,11 +791,13 @@
    }
 
    // XXX need to lock history
+   spin_lock_irqsave(&bridge->historyLock, flags);
    for (i = 0; i < VNET_BRIDGE_HISTORY; i++) {
       struct sk_buff *s = bridge->history[i];
       if (s != NULL &&
 	  (s == skb || SKB_IS_CLONE_OF(skb, s))) {
 	 bridge->history[i] = NULL;
+	 spin_unlock_irqrestore(&bridge->historyLock, flags);
 	 KFREE_SKB(s, FREE_WRITE);
 	 LOG(3, (KERN_DEBUG "bridge-%s: receive %d self %d\n",
 		 bridge->name, (int) skb->len, i));
@@ -795,6 +806,7 @@
 	 return 0;
       }
    }
+   spin_unlock_irqrestore(&bridge->historyLock, flags);
 
 #  if LOGLEVEL >= 4
    {
diff -ru vmnet-only.orig/driver.c vmnet-only/driver.c
--- vmnet-only.orig/driver.c	Thu May 10 11:33:58 2001
+++ vmnet-only/driver.c	Thu Aug 16 17:33:13 2001
@@ -20,7 +20,7 @@
 #include <linux/module.h>
 #include <linux/version.h>
 #include <linux/sched.h>
-#include <linux/malloc.h>
+#include <linux/slab.h>
 #ifdef KERNEL_2_1
 #include <linux/poll.h>
 #include <asm/uaccess.h>
diff -ru vmnet-only.orig/hub.c vmnet-only/hub.c
--- vmnet-only.orig/hub.c	Thu May 10 11:33:58 2001
+++ vmnet-only/hub.c	Thu Aug 16 17:33:57 2001
@@ -19,7 +19,7 @@
 #include <linux/kernel.h>
 #include <linux/version.h>
 #include <linux/sched.h>
-#include <linux/malloc.h>
+#include <linux/slab.h>
 #ifdef KERNEL_2_1
 #include <linux/poll.h>
 #include <asm/uaccess.h>
diff -ru vmnet-only.orig/netif.c vmnet-only/netif.c
--- vmnet-only.orig/netif.c	Thu May 10 11:33:58 2001
+++ vmnet-only/netif.c	Thu Aug 16 17:33:21 2001
@@ -19,7 +19,7 @@
 #include <linux/kernel.h>
 #include <linux/version.h>
 #include <linux/sched.h>
-#include <linux/malloc.h>
+#include <linux/slab.h>
 #ifdef KERNEL_2_1
 #include <linux/poll.h>
 #include <asm/uaccess.h>
diff -ru vmnet-only.orig/procfs.c vmnet-only/procfs.c
--- vmnet-only.orig/procfs.c	Thu May 10 11:33:58 2001
+++ vmnet-only/procfs.c	Thu Aug 16 17:33:27 2001
@@ -19,7 +19,7 @@
 #include <linux/kernel.h>
 #include <linux/version.h>
 #include <linux/sched.h>
-#include <linux/malloc.h>
+#include <linux/slab.h>
 #ifdef KERNEL_2_1
 #include <linux/poll.h>
 #include <asm/uaccess.h>
diff -ru vmnet-only.orig/userif.c vmnet-only/userif.c
--- vmnet-only.orig/userif.c	Thu May 10 11:33:58 2001
+++ vmnet-only/userif.c	Thu Aug 16 17:33:33 2001
@@ -19,7 +19,7 @@
 #include <linux/kernel.h>
 #include <linux/version.h>
 #include <linux/sched.h>
-#include <linux/malloc.h>
+#include <linux/slab.h>
 #ifdef KERNEL_2_1
 #include <linux/poll.h>
 #include <asm/uaccess.h>