PCI: rcar: Don't disable/unprepare clocks on prepare/enable failure

If clk_prepare_enable() fails, we must not call clk_disable_unprepare() in
the error path.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

drivers/pci/host/pcie-rcar.c

@@ -786,7 +786,7 @@ static int rcar_pcie_get_resources(struct platform_device *pdev,
 	}
 	err = clk_prepare_enable(pcie->clk);
 	if (err)
-		goto fail_clk;
+		return err;
 
 	pcie->bus_clk = devm_clk_get(&pdev->dev, "pcie_bus");
 	if (IS_ERR(pcie->bus_clk)) {
@@ -796,7 +796,7 @@ static int rcar_pcie_get_resources(struct platform_device *pdev,
 	}
 	err = clk_prepare_enable(pcie->bus_clk);
 	if (err)
-		goto err_map_reg;
+		goto fail_clk;
 
 	i = irq_of_parse_and_map(pdev->dev.of_node, 0);
 	if (!i) {