X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=net%2Fipv4%2Fnetfilter%2Fnf_nat_proto_gre.c;h=d7e89201351e90d01bbbac1666e913f90e036dbf;hb=12c33aa20e1e248ac199d58076fcd4522acbff17;hp=4c4af5a6d6c8a82045a88208128fc1bd6a2bf722;hpb=f2ea825f483d5d78754ae813b6db63f8b74e9343;p=deliverable%2Flinux.git

diff --git a/net/ipv4/netfilter/nf_nat_proto_gre.c b/net/ipv4/netfilter/nf_nat_proto_gre.c
index 4c4af5a6d6c8..d7e89201351e 100644
--- a/net/ipv4/netfilter/nf_nat_proto_gre.c
+++ b/net/ipv4/netfilter/nf_nat_proto_gre.c
@@ -84,7 +84,7 @@ gre_manip_pkt(struct sk_buff *skb, unsigned int iphdroff,
 	      const struct nf_conntrack_tuple *tuple,
 	      enum nf_nat_manip_type maniptype)
 {
-	struct gre_hdr *greh;
+	const struct gre_hdr *greh;
 	struct gre_hdr_pptp *pgreh;
 	const struct iphdr *iph = (struct iphdr *)(skb->data + iphdroff);
 	unsigned int hdroff = iphdroff + iph->ihl * 4;