Index: linux-2.6.5/net/ipv4/esp4.c
===================================================================
--- linux-2.6.5.orig/net/ipv4/esp4.c
+++ linux-2.6.5/net/ipv4/esp4.c
@@ -103,7 +103,6 @@ int esp_output(struct sk_buff *skb)
 				udpdata32 = (u32*)(uh+1);
 				udpdata32[0] = udpdata32[1] = 0;
 				esph = (struct ip_esp_hdr*)(udpdata32+2);
-				alen += 2;
 				top_iph->protocol = IPPROTO_UDP;
 				break;
 			default:
@@ -146,7 +145,6 @@ int esp_output(struct sk_buff *skb)
 				udpdata32 = (u32*)(uh+1);
 				udpdata32[0] = udpdata32[1] = 0;
 				esph = (struct ip_esp_hdr*)(udpdata32+2);
-				alen += 2;
 				top_iph->protocol = IPPROTO_UDP;
 				break;
 			default: