Add a return value to hasher_t.allocate_hash()

src/libstrongswan/plugins/padlock/padlock_sha1_hasher.c

@@ -112,18 +112,15 @@ METHOD(hasher_t, get_hash, bool,
 	return TRUE;
 }
 
-METHOD(hasher_t, allocate_hash, void,
+METHOD(hasher_t, allocate_hash, bool,
 	private_padlock_sha1_hasher_t *this, chunk_t chunk, chunk_t *hash)
 {
 	if (hash)
 	{
 		*hash = chunk_alloc(HASH_SIZE_SHA1);
-		get_hash(this, chunk, hash->ptr);
-	}
-	else
-	{
-		get_hash(this, chunk, NULL);
+		return get_hash(this, chunk, hash->ptr);
 	}
+	return get_hash(this, chunk, NULL);
 }
 
 METHOD(hasher_t, get_hash_size, size_t,