4.15-stable review patch. If anyone has any objections, please let me know.
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From: Geert Uytterhoeven geert+renesas@glider.be
[ Upstream commit 83c75ddd816e979802bd244ad494139f28152921 ]
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: 5d2917d469faab72 ("PCI: rcar: Convert to DT resource parsing API") Signed-off-by: Geert Uytterhoeven geert+renesas@glider.be Signed-off-by: Lorenzo Pieralisi lorenzo.pieralisi@arm.com Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/pci/host/pcie-rcar.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/pci/host/pcie-rcar.c +++ b/drivers/pci/host/pcie-rcar.c @@ -1123,7 +1123,9 @@ static int rcar_pcie_probe(struct platfo
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) { @@ -1178,6 +1180,7 @@ err_pm_disable:
err_free_resource_list: pci_free_resource_list(&pcie->resources); +err_free_bridge: pci_free_host_bridge(bridge);
return err;