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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-04-27 12:26:46 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-04-27 12:26:46 -0400
commit15c54033964a943de7b0763efd3bd0ede7326395 (patch)
tree840b292612d1b5396d5bab5bde537a9013db3ceb /net/ipv4/xfrm4_input.c
parentad5da3cf39a5b11a198929be1f2644e17ecd767e (diff)
parent912a41a4ab935ce8c4308428ec13fc7f8b1f18f4 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (448 commits) [IPV4] nl_fib_lookup: Initialise res.r before fib_res_put(&res) [IPV6]: Fix thinko in ipv6_rthdr_rcv() changes. [IPV4]: Add multipath cached to feature-removal-schedule.txt [WIRELESS] cfg80211: Clarify locking comment. [WIRELESS] cfg80211: Fix locking in wiphy_new. [WEXT] net_device: Don't include wext bits if not required. [WEXT]: Misc code cleanups. [WEXT]: Reduce inline abuse. [WEXT]: Move EXPORT_SYMBOL statements where they belong. [WEXT]: Cleanup early ioctl call path. [WEXT]: Remove options. [WEXT]: Remove dead debug code. [WEXT]: Clean up how wext is called. [WEXT]: Move to net/wireless [AFS]: Eliminate cmpxchg() usage in vlocation code. [RXRPC]: Fix pointers passed to bitops. [RXRPC]: Remove bogus atomic_* overrides. [AFS]: Fix u64 printing in debug logging. [AFS]: Add "directory write" support. [AFS]: Implement the CB.InitCallBackState3 operation. ...
Diffstat (limited to 'net/ipv4/xfrm4_input.c')
-rw-r--r--net/ipv4/xfrm4_input.c23
1 files changed, 12 insertions, 11 deletions
diff --git a/net/ipv4/xfrm4_input.c b/net/ipv4/xfrm4_input.c
index 78e80deb7e89..5ceca951d73f 100644
--- a/net/ipv4/xfrm4_input.c
+++ b/net/ipv4/xfrm4_input.c
@@ -28,7 +28,7 @@ static int xfrm4_parse_spi(struct sk_buff *skb, u8 nexthdr, __be32 *spi, __be32
28 switch (nexthdr) { 28 switch (nexthdr) {
29 case IPPROTO_IPIP: 29 case IPPROTO_IPIP:
30 case IPPROTO_IPV6: 30 case IPPROTO_IPV6:
31 *spi = skb->nh.iph->saddr; 31 *spi = ip_hdr(skb)->saddr;
32 *seq = 0; 32 *seq = 0;
33 return 0; 33 return 0;
34 } 34 }
@@ -39,9 +39,9 @@ static int xfrm4_parse_spi(struct sk_buff *skb, u8 nexthdr, __be32 *spi, __be32
39#ifdef CONFIG_NETFILTER 39#ifdef CONFIG_NETFILTER
40static inline int xfrm4_rcv_encap_finish(struct sk_buff *skb) 40static inline int xfrm4_rcv_encap_finish(struct sk_buff *skb)
41{ 41{
42 struct iphdr *iph = skb->nh.iph;
43
44 if (skb->dst == NULL) { 42 if (skb->dst == NULL) {
43 const struct iphdr *iph = ip_hdr(skb);
44
45 if (ip_route_input(skb, iph->daddr, iph->saddr, iph->tos, 45 if (ip_route_input(skb, iph->daddr, iph->saddr, iph->tos,
46 skb->dev)) 46 skb->dev))
47 goto drop; 47 goto drop;
@@ -55,18 +55,18 @@ drop:
55 55
56int xfrm4_rcv_encap(struct sk_buff *skb, __u16 encap_type) 56int xfrm4_rcv_encap(struct sk_buff *skb, __u16 encap_type)
57{ 57{
58 int err;
59 __be32 spi, seq; 58 __be32 spi, seq;
60 struct xfrm_state *xfrm_vec[XFRM_MAX_DEPTH]; 59 struct xfrm_state *xfrm_vec[XFRM_MAX_DEPTH];
61 struct xfrm_state *x; 60 struct xfrm_state *x;
62 int xfrm_nr = 0; 61 int xfrm_nr = 0;
63 int decaps = 0; 62 int decaps = 0;
63 int err = xfrm4_parse_spi(skb, ip_hdr(skb)->protocol, &spi, &seq);
64 64
65 if ((err = xfrm4_parse_spi(skb, skb->nh.iph->protocol, &spi, &seq)) != 0) 65 if (err != 0)
66 goto drop; 66 goto drop;
67 67
68 do { 68 do {
69 struct iphdr *iph = skb->nh.iph; 69 const struct iphdr *iph = ip_hdr(skb);
70 70
71 if (xfrm_nr == XFRM_MAX_DEPTH) 71 if (xfrm_nr == XFRM_MAX_DEPTH)
72 goto drop; 72 goto drop;
@@ -113,7 +113,8 @@ int xfrm4_rcv_encap(struct sk_buff *skb, __u16 encap_type)
113 break; 113 break;
114 } 114 }
115 115
116 if ((err = xfrm_parse_spi(skb, skb->nh.iph->protocol, &spi, &seq)) < 0) 116 err = xfrm_parse_spi(skb, ip_hdr(skb)->protocol, &spi, &seq);
117 if (err < 0)
117 goto drop; 118 goto drop;
118 } while (!err); 119 } while (!err);
119 120
@@ -146,15 +147,15 @@ int xfrm4_rcv_encap(struct sk_buff *skb, __u16 encap_type)
146 return 0; 147 return 0;
147 } else { 148 } else {
148#ifdef CONFIG_NETFILTER 149#ifdef CONFIG_NETFILTER
149 __skb_push(skb, skb->data - skb->nh.raw); 150 __skb_push(skb, skb->data - skb_network_header(skb));
150 skb->nh.iph->tot_len = htons(skb->len); 151 ip_hdr(skb)->tot_len = htons(skb->len);
151 ip_send_check(skb->nh.iph); 152 ip_send_check(ip_hdr(skb));
152 153
153 NF_HOOK(PF_INET, NF_IP_PRE_ROUTING, skb, skb->dev, NULL, 154 NF_HOOK(PF_INET, NF_IP_PRE_ROUTING, skb, skb->dev, NULL,
154 xfrm4_rcv_encap_finish); 155 xfrm4_rcv_encap_finish);
155 return 0; 156 return 0;
156#else 157#else
157 return -skb->nh.iph->protocol; 158 return -ip_hdr(skb)->protocol;
158#endif 159#endif
159 } 160 }
160 161