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PCI: spear13xx: Fix platform_get_irq() error handling

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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.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Pratyush Anand <pratyush.anand@gmail.com>
This commit is contained in:
Fabio Estevam 2017-08-31 14:52:05 -03:00 • committed by Bjorn Helgaas
parent 16f73eb02d
commit 343ce0cdfa
1 changed files with 2 additions and 2 deletions
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4
drivers/pci/dwc/pcie-spear13xx.c
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@ -199,9 +199,9 @@ static int spear13xx_add_pcie_port(struct spear13xx_pcie *spear13xx_pcie,
int ret; int ret;
pp->irq = platform_get_irq(pdev, 0); pp->irq = platform_get_irq(pdev, 0);
if (!pp->irq) { if (pp->irq < 0) {
dev_err(dev, "failed to get irq\n"); dev_err(dev, "failed to get irq\n");
return -ENODEV; return pp->irq;
} }
ret = devm_request_irq(dev, pp->irq, spear13xx_pcie_irq_handler, ret = devm_request_irq(dev, pp->irq, spear13xx_pcie_irq_handler,
IRQF_SHARED | IRQF_NO_THREAD, IRQF_SHARED | IRQF_NO_THREAD,