From 1df5a487c8b338105930310eb9a876d9ad1646cb Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Thu, 31 Aug 2017 14:52:01 -0300 Subject: [PATCH] PCI: exynos: Fix platform_get_irq() error handling platform_get_irq() returns a negative number on failure, so adjust the logic to detect such condition and propagate the real error value on failure. Reported-by: Bjorn Helgaas Signed-off-by: Fabio Estevam Signed-off-by: Bjorn Helgaas Acked-by: Jingoo Han --- drivers/pci/dwc/pci-exynos.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/pci/dwc/pci-exynos.c b/drivers/pci/dwc/pci-exynos.c index c78c06552590..d82788dbc305 100644 --- a/drivers/pci/dwc/pci-exynos.c +++ b/drivers/pci/dwc/pci-exynos.c @@ -605,9 +605,9 @@ static int __init exynos_add_pcie_port(struct exynos_pcie *ep, int ret; pp->irq = platform_get_irq(pdev, 1); - if (!pp->irq) { + if (pp->irq < 0) { dev_err(dev, "failed to get irq\n"); - return -ENODEV; + return pp->irq; } ret = devm_request_irq(dev, pp->irq, exynos_pcie_irq_handler, IRQF_SHARED, "exynos-pcie", ep); @@ -618,9 +618,9 @@ static int __init exynos_add_pcie_port(struct exynos_pcie *ep, if (IS_ENABLED(CONFIG_PCI_MSI)) { pp->msi_irq = platform_get_irq(pdev, 0); - if (!pp->msi_irq) { + if (pp->msi_irq < 0) { dev_err(dev, "failed to get msi irq\n"); - return -ENODEV; + return pp->msi_irq; } ret = devm_request_irq(dev, pp->msi_irq, -- 2.30.2