--- 2.4.4/net/ipv4/tcp.c	Sat Apr 28 05:24:49 2001
+++ 2.4.4aa3/net/ipv4/tcp.c	Tue May  1 13:25:16 2001
@@ -1183,11 +1183,8 @@
 
 do_fault:
 	if (skb->len==0) {
-		if (tp->send_head == skb) {
-			tp->send_head = skb->prev;
-			if (tp->send_head == (struct sk_buff*)&sk->write_queue)
-				tp->send_head = NULL;
-		}
+		if (tp->send_head == skb)
+			tp->send_head = NULL;
 		__skb_unlink(skb, skb->list);
 		tcp_free_skb(sk, skb);
 	}