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path: root/net/ipv4/xfrm4_input.c
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Diffstat (limited to 'net/ipv4/xfrm4_input.c')
-rw-r--r--net/ipv4/xfrm4_input.c19
1 files changed, 5 insertions, 14 deletions
diff --git a/net/ipv4/xfrm4_input.c b/net/ipv4/xfrm4_input.c
index f9f922a0ba8..aac6197b7a7 100644
--- a/net/ipv4/xfrm4_input.c
+++ b/net/ipv4/xfrm4_input.c
@@ -9,6 +9,7 @@
*
*/
+#include <linux/slab.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/netfilter.h>
@@ -26,8 +27,8 @@ static inline int xfrm4_rcv_encap_finish(struct sk_buff *skb)
if (skb_dst(skb) == NULL) {
const struct iphdr *iph = ip_hdr(skb);
- if (ip_route_input(skb, iph->daddr, iph->saddr, iph->tos,
- skb->dev))
+ if (ip_route_input_noref(skb, iph->daddr, iph->saddr,
+ iph->tos, skb->dev))
goto drop;
}
return dst_input(skb);
@@ -36,15 +37,6 @@ drop:
return NET_RX_DROP;
}
-int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi,
- int encap_type)
-{
- XFRM_SPI_SKB_CB(skb)->family = AF_INET;
- XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct iphdr, daddr);
- return xfrm_input(skb, nexthdr, spi, encap_type);
-}
-EXPORT_SYMBOL(xfrm4_rcv_encap);
-
int xfrm4_transport_finish(struct sk_buff *skb, int async)
{
struct iphdr *iph = ip_hdr(skb);
@@ -60,7 +52,7 @@ int xfrm4_transport_finish(struct sk_buff *skb, int async)
iph->tot_len = htons(skb->len);
ip_send_check(iph);
- NF_HOOK(PF_INET, NF_INET_PRE_ROUTING, skb, skb->dev, NULL,
+ NF_HOOK(NFPROTO_IPV4, NF_INET_PRE_ROUTING, skb, skb->dev, NULL,
xfrm4_rcv_encap_finish);
return 0;
}
@@ -131,7 +123,7 @@ int xfrm4_udp_encap_rcv(struct sock *sk, struct sk_buff *skb)
* header and optional ESP marker bytes) and then modify the
* protocol to ESP, and then call into the transform receiver.
*/
- if (skb_cloned(skb) && pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
+ if (skb_unclone(skb, GFP_ATOMIC))
goto drop;
/* Now we can update and verify the packet length... */
@@ -162,5 +154,4 @@ int xfrm4_rcv(struct sk_buff *skb)
{
return xfrm4_rcv_spi(skb, ip_hdr(skb)->protocol, 0);
}
-
EXPORT_SYMBOL(xfrm4_rcv);