[NETFILTER]: nf_{conntrack,nat}_proto_gre: annotate with const
Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/netfilter/nf_nat_proto_gre.c b/net/ipv4/netfilter/nf_nat_proto_gre.c
index b887ebb..a1e4da1 100644
--- a/net/ipv4/netfilter/nf_nat_proto_gre.c
+++ b/net/ipv4/netfilter/nf_nat_proto_gre.c
@@ -104,7 +104,7 @@
{
struct gre_hdr *greh;
struct gre_hdr_pptp *pgreh;
- struct iphdr *iph = (struct iphdr *)(skb->data + iphdroff);
+ const struct iphdr *iph = (struct iphdr *)(skb->data + iphdroff);
unsigned int hdroff = iphdroff + iph->ihl * 4;
/* pgreh includes two optional 32bit fields which are not required
diff --git a/net/netfilter/nf_conntrack_proto_gre.c b/net/netfilter/nf_conntrack_proto_gre.c
index 4a185f6..e10024a 100644
--- a/net/netfilter/nf_conntrack_proto_gre.c
+++ b/net/netfilter/nf_conntrack_proto_gre.c
@@ -161,9 +161,11 @@
unsigned int dataoff,
struct nf_conntrack_tuple *tuple)
{
- struct gre_hdr_pptp _pgrehdr, *pgrehdr;
+ const struct gre_hdr_pptp *pgrehdr;
+ struct gre_hdr_pptp _pgrehdr;
__be16 srckey;
- struct gre_hdr _grehdr, *grehdr;
+ const struct gre_hdr *grehdr;
+ struct gre_hdr _grehdr;
/* first only delinearize old RFC1701 GRE header */
grehdr = skb_header_pointer(skb, dataoff, sizeof(_grehdr), &_grehdr);