[PATCH V3 3/3] PCI: mvebu: return NULL instead of ERR_PTR(ret)

[Jingoo Han <jg1.han@xxxxxxxxxxx>]

Return NULL instead of ERR_PTR(ret) in order to fix the following
sparse warning:

drivers/pci/host/pci-mvebu.c:744:31: warning: incorrect type in return expression (different address spaces)
drivers/pci/host/pci-mvebu.c:744:31:    expected void [noderef] <asn:2>*
drivers/pci/host/pci-mvebu.c:744:31:    got void *

Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
Acked-by: Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx>
---
 drivers/pci/host/pci-mvebu.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c
index 0bd3ba8..fb2474f 100644
--- a/drivers/pci/host/pci-mvebu.c
+++ b/drivers/pci/host/pci-mvebu.c
@@ -741,7 +741,7 @@ static void __iomem *mvebu_pcie_map_registers(struct platform_device *pdev,
 
 	ret = of_address_to_resource(np, 0, &regs);
 	if (ret)
-		return ERR_PTR(ret);
+		return NULL;
 
 	return devm_ioremap_resource(&pdev->dev, &regs);
 }
@@ -940,10 +940,9 @@ static int mvebu_pcie_probe(struct platform_device *pdev)
 			continue;
 
 		port->base = mvebu_pcie_map_registers(pdev, child, port);
-		if (IS_ERR(port->base)) {
+		if (!port->base) {
 			dev_err(&pdev->dev, "PCIe%d.%d: cannot map registers\n",
 				port->port, port->lane);
-			port->base = NULL;
 			clk_disable_unprepare(port->clk);
 			continue;
 		}
-- 
1.7.10.4


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