Signed-off-by: Jan Engelhardt <jengelh@xxxxxxxxxxxxxxx>
---
net/ipv4/netfilter/nf_nat_proto_gre.c | 2 +-
net/netfilter/nf_conntrack_proto_gre.c | 6 ++++--
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/net/ipv4/netfilter/nf_nat_proto_gre.c b/net/ipv4/netfilter/nf_nat_proto_gre.c
index 9fa272e..7d95990 100644
--- a/net/ipv4/netfilter/nf_nat_proto_gre.c
+++ b/net/ipv4/netfilter/nf_nat_proto_gre.c
@@ -104,7 +104,7 @@ gre_manip_pkt(struct sk_buff *skb, unsigned int iphdroff,
{
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 @@ static int gre_pkt_to_tuple(const struct sk_buff *skb,
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);
--
1.5.3.4
-
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