[NETFILTER]: nf_{conntrack,nat}_proto_udp{,lite}: 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>

3 files changed, 9 insertions, 5 deletions

diff --git a/net/ipv4/netfilter/nf_nat_proto_udp.c b/net/ipv4/netfilter/nf_nat_proto_udp.c
index 10df4db078af..4b8f49910ff2 100644
--- a/net/ipv4/netfilter/nf_nat_proto_udp.c
+++ b/net/ipv4/netfilter/nf_nat_proto_udp.c
@@ -91,7 +91,7 @@ udp_manip_pkt(struct sk_buff *skb,
               const struct nf_conntrack_tuple *tuple,
               enum nf_nat_manip_type maniptype)
 {
-        struct iphdr *iph = (struct iphdr *)(skb->data + iphdroff);
+        const struct iphdr *iph = (struct iphdr *)(skb->data + iphdroff);
         struct udphdr *hdr;
         unsigned int hdroff = iphdroff + iph->ihl*4;
         __be32 oldip, newip;
diff --git a/net/netfilter/nf_conntrack_proto_udp.c b/net/netfilter/nf_conntrack_proto_udp.c
index 4c1e67ed63bd..b8a35cc06416 100644
--- a/net/netfilter/nf_conntrack_proto_udp.c
+++ b/net/netfilter/nf_conntrack_proto_udp.c
@@ -30,7 +30,8 @@ static int udp_pkt_to_tuple(const struct sk_buff *skb,
                              unsigned int dataoff,
                              struct nf_conntrack_tuple *tuple)
 {
-        struct udphdr _hdr, *hp;
+        const struct udphdr *hp;
+        struct udphdr _hdr;
 
         /* Actually only need first 8 bytes. */
         hp = skb_header_pointer(skb, dataoff, sizeof(_hdr), &_hdr);
@@ -94,7 +95,8 @@ static int udp_error(struct sk_buff *skb, unsigned int dataoff,
                      unsigned int hooknum)
 {
         unsigned int udplen = skb->len - dataoff;
-        struct udphdr _hdr, *hdr;
+        const struct udphdr *hdr;
+        struct udphdr _hdr;
 
         /* Header is too small? */
         hdr = skb_header_pointer(skb, dataoff, sizeof(_hdr), &_hdr);
diff --git a/net/netfilter/nf_conntrack_proto_udplite.c b/net/netfilter/nf_conntrack_proto_udplite.c
index d9e1532b45d9..9dd03c7aeac6 100644
--- a/net/netfilter/nf_conntrack_proto_udplite.c
+++ b/net/netfilter/nf_conntrack_proto_udplite.c
@@ -31,7 +31,8 @@ static int udplite_pkt_to_tuple(const struct sk_buff *skb,
                                 unsigned int dataoff,
                                 struct nf_conntrack_tuple *tuple)
 {
-        struct udphdr _hdr, *hp;
+        const struct udphdr *hp;
+        struct udphdr _hdr;
 
         hp = skb_header_pointer(skb, dataoff, sizeof(_hdr), &_hdr);
         if (hp == NULL)
@@ -94,7 +95,8 @@ static int udplite_error(struct sk_buff *skb, unsigned int dataoff,
                          unsigned int hooknum)
 {
         unsigned int udplen = skb->len - dataoff;
-        struct udphdr _hdr, *hdr;
+        const struct udphdr *hdr;
+        struct udphdr _hdr;
         unsigned int cscov;
 
         /* Header is too small? */