From: Kazunori Miyazawa <kazunori@miyazawa.org>

[XFRM] Call dst_check() with appropriate cookie

This fixes infinite loop issue with IPv6 tunnel mode.

Signed-off-by: Kazunori Miyazawa <kazunori@miyazawa.org>
Signed-off-by: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 55ed979db144..d07f5ce31824 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1136,7 +1136,7 @@ int xfrm_bundle_ok(struct xfrm_dst *first, struct flowi *fl, int family)
         struct xfrm_dst *last;
         u32 mtu;
 
-        if (!dst_check(dst->path, 0) ||
+        if (!dst_check(dst->path, ((struct xfrm_dst *)dst)->path_cookie) ||
             (dst->dev && !netif_running(dst->dev)))
                 return 0;
 
@@ -1156,7 +1156,7 @@ int xfrm_bundle_ok(struct xfrm_dst *first, struct flowi *fl, int family)
                         xdst->child_mtu_cached = mtu;
                 }
 
-                if (!dst_check(xdst->route, 0))
+                if (!dst_check(xdst->route, xdst->route_cookie))
                         return 0;
                 mtu = dst_mtu(xdst->route);
                 if (xdst->route_mtu_cached != mtu) {