net/mlx4: simplify the return expression of mlx4_init_cq_table()

Simplify the return expression.
Signed-off-by: NZheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlx4/cq.c

@@ -462,19 +462,14 @@ EXPORT_SYMBOL_GPL(mlx4_cq_free);
 int mlx4_init_cq_table(struct mlx4_dev *dev)
 {
 	struct mlx4_cq_table *cq_table = &mlx4_priv(dev)->cq_table;
-	int err;
 
 	spin_lock_init(&cq_table->lock);
 	INIT_RADIX_TREE(&cq_table->tree, GFP_ATOMIC);
 	if (mlx4_is_slave(dev))
 		return 0;
 
-	err = mlx4_bitmap_init(&cq_table->bitmap, dev->caps.num_cqs,
-			       dev->caps.num_cqs - 1, dev->caps.reserved_cqs, 0);
-	if (err)
-		return err;
-
-	return 0;
+	return mlx4_bitmap_init(&cq_table->bitmap, dev->caps.num_cqs,
+				dev->caps.num_cqs - 1, dev->caps.reserved_cqs, 0);
 }
 
 void mlx4_cleanup_cq_table(struct mlx4_dev *dev)