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PCI: exynos: Fix platform_get_irq() error handling

Browse source 
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 <[email protected]>
Signed-off-by: Fabio Estevam <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Acked-by: Jingoo Han <[email protected]>
This commit is contained in:
Fabio Estevam 2017-08-31 14:52:01 -03:00 • committed by Bjorn Helgaas
commit 1df5a487c8
1 changed files with 4 additions and 4 deletions
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8
drivers/pci/dwc/pci-exynos.c
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@ -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,