[PKT_SCHED]: Fixed missed return in tcf_hash_init().

Noticed by Andrew Morton.
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/pkt_act.h

@@ -274,11 +274,11 @@ tcf_hash_create(struct tc_st *parm, struct rtattr *est, struct tc_action *a, int
 static inline struct tcf_st *
 tcf_hash_init(struct tc_st *parm, struct rtattr *est, struct tc_action *a, int size, int ovr, int bind)
 {
-	struct tcf_st *p;
-	p = tcf_hash_check (parm,a,ovr,bind);
-	if (NULL == p) {
-		return tcf_hash_create(parm, est, a, size, ovr, bind);
-	}
+	struct tcf_st *p = tcf_hash_check (parm,a,ovr,bind);
+
+	if (!p)
+		p = tcf_hash_create(parm, est, a, size, ovr, bind);
+	return p;
 }
 
 #endif