selinux: drop unused parameter of avtab_insert_node

The parameter cur is not used in avtab_insert_node().

Reported by clang [-Wunused-parameter]
Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>

security/selinux/ss/avtab.c

@@ -67,7 +67,7 @@ static inline int avtab_hash(const struct avtab_key *keyp, u32 mask)
 
 static struct avtab_node*
 avtab_insert_node(struct avtab *h, int hvalue,
-		  struct avtab_node *prev, struct avtab_node *cur,
+		  struct avtab_node *prev,
 		  const struct avtab_key *key, const struct avtab_datum *datum)
 {
 	struct avtab_node *newnode;
@@ -137,7 +137,7 @@ static int avtab_insert(struct avtab *h, const struct avtab_key *key,
 			break;
 	}
 
-	newnode = avtab_insert_node(h, hvalue, prev, cur, key, datum);
+	newnode = avtab_insert_node(h, hvalue, prev, key, datum);
 	if (!newnode)
 		return -ENOMEM;
 
@@ -177,7 +177,7 @@ struct avtab_node *avtab_insert_nonunique(struct avtab *h,
 		    key->target_class < cur->key.target_class)
 			break;
 	}
-	return avtab_insert_node(h, hvalue, prev, cur, key, datum);
+	return avtab_insert_node(h, hvalue, prev, key, datum);
 }
 
 struct avtab_datum *avtab_search(struct avtab *h, const struct avtab_key *key)