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Diffstat (limited to 'net')
-rw-r--r--net/netfilter/nf_nat_core.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
index 18319a6e6806..e29e4ccb5c5a 100644
--- a/net/netfilter/nf_nat_core.c
+++ b/net/netfilter/nf_nat_core.c
@@ -1152,7 +1152,16 @@ static int __init nf_nat_init(void)
WARN_ON(nf_nat_hook != NULL);
RCU_INIT_POINTER(nf_nat_hook, &nat_hook);
- return register_nf_nat_bpf();
+ ret = register_nf_nat_bpf();
+ if (ret < 0) {
+ RCU_INIT_POINTER(nf_nat_hook, NULL);
+ nf_ct_helper_expectfn_unregister(&follow_master_nat);
+ synchronize_net();
+ unregister_pernet_subsys(&nat_net_ops);
+ kvfree(nf_nat_bysource);
+ }
+
+ return ret;
}
static void __exit nf_nat_cleanup(void)