[IPSEC]: Set dst->input to dst_discard
The input function should never be invoked on IPsec dst objects. This
is because we don't apply IPsec on input until after we've made the
routing decision.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 7d250a1..c40a71b 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -10,6 +10,7 @@
#include <linux/compiler.h>
#include <linux/inetdevice.h>
+#include <net/dst.h>
#include <net/xfrm.h>
#include <net/ip.h>
@@ -167,7 +168,7 @@
dst_prev->trailer_len = trailer_len;
memcpy(&dst_prev->metrics, &x->route->metrics, sizeof(dst_prev->metrics));
- dst_prev->input = rt->u.dst.input;
+ dst_prev->input = dst_discard;
dst_prev->output = dst_prev->xfrm->outer_mode->afinfo->output;
if (rt0->peer)
atomic_inc(&rt0->peer->refcnt);