diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c
index f4af99a..b79cdbe 100644
--- a/net/ipv4/ipcomp.c
+++ b/net/ipv4/ipcomp.c
@@ -74,6 +74,7 @@
 
 static int ipcomp_input(struct xfrm_state *x, struct sk_buff *skb)
 {
+	int nexthdr;
 	int err = -ENOMEM;
 	struct ip_comp_hdr *ipch;
 
@@ -84,13 +85,15 @@
 
 	/* Remove ipcomp header and decompress original payload */
 	ipch = (void *)skb->data;
+	nexthdr = ipch->nexthdr;
+
 	skb->transport_header = skb->network_header + sizeof(*ipch);
 	__skb_pull(skb, sizeof(*ipch));
 	err = ipcomp_decompress(x, skb);
 	if (err)
 		goto out;
 
-	err = ipch->nexthdr;
+	err = nexthdr;
 
 out:
 	return err;