Commit fea71881 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Greg Kroah-Hartman
Browse files

PCI: rcar: Handle rcar_pcie_parse_request_of_pci_ranges() failures 




[ Upstream commit 83c75ddd ]

rcar_pcie_parse_request_of_pci_ranges() can fail and return an error
code, but this is not checked nor handled.

Fix this by adding the missing error handling.

Fixes: 5d2917d4 ("PCI: rcar: Convert to DT resource parsing API")
Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: default avatarLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: default avatarSasha Levin <alexander.levin@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e1645629

drivers/pci/host/pcie-rcar.c

+4 −1
Original line number Diff line number Diff line
@@ -1141,7 +1141,9 @@ static int rcar_pcie_probe(struct platform_device *pdev) 


	INIT_LIST_HEAD(&pcie->resources);



	rcar_pcie_parse_request_of_pci_ranges(pcie);

	err = rcar_pcie_parse_request_of_pci_ranges(pcie);

	if (err)

		goto err_free_bridge;



	err = rcar_pcie_get_resources(pcie);

	if (err < 0) {
@@ -1196,6 +1198,7 @@ err_pm_disable: 


err_free_resource_list:

	pci_free_resource_list(&pcie->resources);

err_free_bridge:

	pci_free_host_bridge(bridge);



	return err;