netfilter: nf_nat_snmp: Fix panic when snmp_trap_helper fails to register
[pandora-kernel.git] / net / ipv4 / netfilter / nf_nat_snmp_basic.c
index 2133c30..5e40775 100644 (file)
@@ -1261,16 +1261,6 @@ static const struct nf_conntrack_expect_policy snmp_exp_policy = {
        .timeout        = 180,
 };
 
        .timeout        = 180,
 };
 
-static struct nf_conntrack_helper snmp_helper __read_mostly = {
-       .me                     = THIS_MODULE,
-       .help                   = help,
-       .expect_policy          = &snmp_exp_policy,
-       .name                   = "snmp",
-       .tuple.src.l3num        = AF_INET,
-       .tuple.src.u.udp.port   = cpu_to_be16(SNMP_PORT),
-       .tuple.dst.protonum     = IPPROTO_UDP,
-};
-
 static struct nf_conntrack_helper snmp_trap_helper __read_mostly = {
        .me                     = THIS_MODULE,
        .help                   = help,
 static struct nf_conntrack_helper snmp_trap_helper __read_mostly = {
        .me                     = THIS_MODULE,
        .help                   = help,
@@ -1289,17 +1279,10 @@ static struct nf_conntrack_helper snmp_trap_helper __read_mostly = {
 
 static int __init nf_nat_snmp_basic_init(void)
 {
 
 static int __init nf_nat_snmp_basic_init(void)
 {
-       int ret = 0;
-
        BUG_ON(nf_nat_snmp_hook != NULL);
        RCU_INIT_POINTER(nf_nat_snmp_hook, help);
 
        BUG_ON(nf_nat_snmp_hook != NULL);
        RCU_INIT_POINTER(nf_nat_snmp_hook, help);
 
-       ret = nf_conntrack_helper_register(&snmp_trap_helper);
-       if (ret < 0) {
-               nf_conntrack_helper_unregister(&snmp_helper);
-               return ret;
-       }
-       return ret;
+       return nf_conntrack_helper_register(&snmp_trap_helper);
 }
 
 static void __exit nf_nat_snmp_basic_fini(void)
 }
 
 static void __exit nf_nat_snmp_basic_fini(void)