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path: root/net/xfrm/xfrm_output.c
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Diffstat (limited to 'net/xfrm/xfrm_output.c')
-rw-r--r--net/xfrm/xfrm_output.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index c235597ba8dd..b9fe13138c07 100644
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -22,7 +22,7 @@ static int xfrm_output2(struct sk_buff *skb);
22 22
23static int xfrm_state_check_space(struct xfrm_state *x, struct sk_buff *skb) 23static int xfrm_state_check_space(struct xfrm_state *x, struct sk_buff *skb)
24{ 24{
25 struct dst_entry *dst = skb->dst; 25 struct dst_entry *dst = skb_dst(skb);
26 int nhead = dst->header_len + LL_RESERVED_SPACE(dst->dev) 26 int nhead = dst->header_len + LL_RESERVED_SPACE(dst->dev)
27 - skb_headroom(skb); 27 - skb_headroom(skb);
28 int ntail = dst->dev->needed_tailroom - skb_tailroom(skb); 28 int ntail = dst->dev->needed_tailroom - skb_tailroom(skb);
@@ -39,7 +39,7 @@ static int xfrm_state_check_space(struct xfrm_state *x, struct sk_buff *skb)
39 39
40static int xfrm_output_one(struct sk_buff *skb, int err) 40static int xfrm_output_one(struct sk_buff *skb, int err)
41{ 41{
42 struct dst_entry *dst = skb->dst; 42 struct dst_entry *dst = skb_dst(skb);
43 struct xfrm_state *x = dst->xfrm; 43 struct xfrm_state *x = dst->xfrm;
44 struct net *net = xs_net(x); 44 struct net *net = xs_net(x);
45 45
@@ -94,12 +94,13 @@ resume:
94 goto error_nolock; 94 goto error_nolock;
95 } 95 }
96 96
97 if (!(skb->dst = dst_pop(dst))) { 97 dst = dst_pop(dst);
98 if (!dst) {
98 XFRM_INC_STATS(net, LINUX_MIB_XFRMOUTERROR); 99 XFRM_INC_STATS(net, LINUX_MIB_XFRMOUTERROR);
99 err = -EHOSTUNREACH; 100 err = -EHOSTUNREACH;
100 goto error_nolock; 101 goto error_nolock;
101 } 102 }
102 dst = skb->dst; 103 skb_dst_set(skb, dst);
103 x = dst->xfrm; 104 x = dst->xfrm;
104 } while (x && !(x->outer_mode->flags & XFRM_MODE_FLAG_TUNNEL)); 105 } while (x && !(x->outer_mode->flags & XFRM_MODE_FLAG_TUNNEL));
105 106
@@ -119,16 +120,16 @@ int xfrm_output_resume(struct sk_buff *skb, int err)
119 while (likely((err = xfrm_output_one(skb, err)) == 0)) { 120 while (likely((err = xfrm_output_one(skb, err)) == 0)) {
120 nf_reset(skb); 121 nf_reset(skb);
121 122
122 err = skb->dst->ops->local_out(skb); 123 err = skb_dst(skb)->ops->local_out(skb);
123 if (unlikely(err != 1)) 124 if (unlikely(err != 1))
124 goto out; 125 goto out;
125 126
126 if (!skb->dst->xfrm) 127 if (!skb_dst(skb)->xfrm)
127 return dst_output(skb); 128 return dst_output(skb);
128 129
129 err = nf_hook(skb->dst->ops->family, 130 err = nf_hook(skb_dst(skb)->ops->family,
130 NF_INET_POST_ROUTING, skb, 131 NF_INET_POST_ROUTING, skb,
131 NULL, skb->dst->dev, xfrm_output2); 132 NULL, skb_dst(skb)->dev, xfrm_output2);
132 if (unlikely(err != 1)) 133 if (unlikely(err != 1))
133 goto out; 134 goto out;
134 } 135 }
@@ -179,7 +180,7 @@ static int xfrm_output_gso(struct sk_buff *skb)
179 180
180int xfrm_output(struct sk_buff *skb) 181int xfrm_output(struct sk_buff *skb)
181{ 182{
182 struct net *net = dev_net(skb->dst->dev); 183 struct net *net = dev_net(skb_dst(skb)->dev);
183 int err; 184 int err;
184 185
185 if (skb_is_gso(skb)) 186 if (skb_is_gso(skb))
@@ -202,7 +203,7 @@ int xfrm_inner_extract_output(struct xfrm_state *x, struct sk_buff *skb)
202 struct xfrm_mode *inner_mode; 203 struct xfrm_mode *inner_mode;
203 if (x->sel.family == AF_UNSPEC) 204 if (x->sel.family == AF_UNSPEC)
204 inner_mode = xfrm_ip2inner_mode(x, 205 inner_mode = xfrm_ip2inner_mode(x,
205 xfrm_af2proto(skb->dst->ops->family)); 206 xfrm_af2proto(skb_dst(skb)->ops->family));
206 else 207 else
207 inner_mode = x->inner_mode; 208 inner_mode = x->inner_mode;
208 209