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[NETFILTER]: nf_{conntrack,nat}_proto_gre: annotate with const

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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>
This commit is contained in:
Jan Engelhardt 2008-01-31 04:52:46 -08:00 committed by David S. Miller
parent da3f13c95a
commit dc35dc5a4c
2 changed files with 5 additions and 3 deletions
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2
net/ipv4/netfilter/nf_nat_proto_gre.c
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@ -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

6
net/netfilter/nf_conntrack_proto_gre.c
View file

@ -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);