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PCI: armada8k: 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.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Fabio Estevam 2017-08-31 14:52:03 -03:00 committed by Bjorn Helgaas
parent e2e5d7bf9b
commit 0fe5f1cd0b
1 changed files with 2 additions and 2 deletions
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4
drivers/pci/dwc/pcie-armada8k.c
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@ -176,9 +176,9 @@ static int armada8k_add_pcie_port(struct armada8k_pcie *pcie,
pp->ops = &armada8k_pcie_host_ops;
pp->irq = platform_get_irq(pdev, 0);
if (!pp->irq) {
if (pp->irq < 0) {
dev_err(dev, "failed to get irq for port\n");
return -ENODEV;
return pp->irq;
}
ret = devm_request_irq(dev, pp->irq, armada8k_pcie_irq_handler,