[NETFILTER]: PPTP conntrack: fix another GRE keymap leak

[cascardo/linux.git] / net / ipv4 / netfilter / ip_conntrack_core.c

diff --git a/net/ipv4/netfilter/ip_conntrack_core.c b/net/ipv4/netfilter/ip_conntrack_core.c
index 2b6f24f..c432b31 100644 (file)
--- a/net/ipv4/netfilter/ip_conntrack_core.c
+++ b/net/ipv4/netfilter/ip_conntrack_core.c
@@ -307,6 +307,7 @@ destroy_conntrack(struct nf_conntrack *nfct)
 {
        struct ip_conntrack *ct = (struct ip_conntrack *)nfct;
        struct ip_conntrack_protocol *proto;
+       struct ip_conntrack_helper *helper;
 
        DEBUGP("destroy_conntrack(%p)\n", ct);
        IP_NF_ASSERT(atomic_read(&nfct->use) == 0);
@@ -315,6 +316,10 @@ destroy_conntrack(struct nf_conntrack *nfct)
        ip_conntrack_event(IPCT_DESTROY, ct);
        set_bit(IPS_DYING_BIT, &ct->status);
 
+       helper = ct->helper;
+       if (helper && helper->destroy)
+               helper->destroy(ct);
+
        /* To make sure we don't get any weird locking issues here:
         * destroy_conntrack() MUST NOT be called with a write lock
         * to ip_conntrack_lock!!! -HW */