ipv6: fix refcnt problem related to POSTDAD state

[karo-tx-linux.git] / net / ipv6 / xfrm6_policy.c

diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 6baeabbbca82416ffb940be126de520a847779a9..7e74023ea6e4381ae006eb672369f98fb899cc79 100644 (file)
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -199,7 +199,7 @@ static inline int xfrm6_garbage_collect(struct dst_ops *ops)
        struct net *net = container_of(ops, struct net, xfrm.xfrm6_dst_ops);
 
        xfrm6_policy_afinfo.garbage_collect(net);
-       return (atomic_read(&ops->entries) > ops->gc_thresh * 2);
+       return dst_entries_get_fast(ops) > ops->gc_thresh * 2;
 }
 
 static void xfrm6_update_pmtu(struct dst_entry *dst, u32 mtu)
@@ -255,7 +255,6 @@ static struct dst_ops xfrm6_dst_ops = {
        .ifdown =               xfrm6_dst_ifdown,
        .local_out =            __ip6_local_out,
        .gc_thresh =            1024,
-       .entries =              ATOMIC_INIT(0),
 };
 
 static struct xfrm_policy_afinfo xfrm6_policy_afinfo = {
@@ -312,11 +311,13 @@ int __init xfrm6_init(void)
         */
        gc_thresh = FIB6_TABLE_HASHSZ * 8;
        xfrm6_dst_ops.gc_thresh = (gc_thresh < 1024) ? 1024 : gc_thresh;
+       dst_entries_init(&xfrm6_dst_ops);
 
        ret = xfrm6_policy_init();
-       if (ret)
+       if (ret) {
+               dst_entries_destroy(&xfrm6_dst_ops);
                goto out;
-
+       }
        ret = xfrm6_state_init();
        if (ret)
                goto out_policy;
@@ -341,4 +342,5 @@ void xfrm6_fini(void)
        //xfrm6_input_fini();
        xfrm6_policy_fini();
        xfrm6_state_fini();
+       dst_entries_destroy(&xfrm6_dst_ops);
 }