From: Fabio Estevam <fabio.estevam@nxp.com>
Date: Thu, 31 Aug 2017 14:52:02 -0300
Subject: PCI: dra7xx: Fix platform_get_irq() error handling

Git-commit: 2f3ec75245ee9c85578a50d090029d1726105a4d
Patch-mainline: v4.14-rc1
References: fate#326536, fate#326532

When platform_get_irq() fails we should propagate the real error value
instead of always returning -EINVAL.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
 drivers/pci/dwc/pci-dra7xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c
index 34d86896694a..d72b557fea11 100644
--- a/drivers/pci/dwc/pci-dra7xx.c
+++ b/drivers/pci/dwc/pci-dra7xx.c
@@ -435,7 +435,7 @@ static int __init dra7xx_add_pcie_port(struct dra7xx_pcie *dra7xx,
 	pp->irq = platform_get_irq(pdev, 1);
 	if (pp->irq < 0) {
 		dev_err(dev, "missing IRQ resource\n");
-		return -EINVAL;
+		return pp->irq;
 	}
 
 	ret = devm_request_irq(dev, pp->irq, dra7xx_pcie_msi_irq_handler,
-- 
2.11.0