sctp: fix error return code in sctp_init()

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/sctp/protocol.c

@@ -1479,7 +1479,8 @@ static __init int sctp_init(void)
 		INIT_HLIST_HEAD(&sctp_port_hashtable[i].chain);
 	}
 
-	if (sctp_transport_hashtable_init())
+	status = sctp_transport_hashtable_init();
+	if (status)
 		goto err_thash_alloc;
 
 	pr_info("Hash tables configured (bind %d/%d)\n", sctp_port_hashsize,