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PCI: altera: 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.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Ley Foon Tan <lftan@altera.com>
This commit is contained in:
Fabio Estevam 2017-08-31 14:52:07 -03:00 committed by Bjorn Helgaas
parent bfdbbf0e3c
commit ef75369a5b
2 changed files with 4 additions and 4 deletions
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4
drivers/pci/host/pcie-altera-msi.c
View file

@ -265,9 +265,9 @@ static int altera_msi_probe(struct platform_device *pdev)
return ret;
msi->irq = platform_get_irq(pdev, 0);
if (msi->irq <= 0) {
if (msi->irq < 0) {
dev_err(&pdev->dev, "failed to map IRQ: %d\n", msi->irq);
ret = -ENODEV;
ret = msi->irq;
goto err;
}

4
drivers/pci/host/pcie-altera.c
View file

@ -558,9 +558,9 @@ static int altera_pcie_parse_dt(struct altera_pcie *pcie)
/* setup IRQ */
pcie->irq = platform_get_irq(pdev, 0);
if (pcie->irq <= 0) {
if (pcie->irq < 0) {
dev_err(dev, "failed to get IRQ: %d\n", pcie->irq);
return -EINVAL;
return pcie->irq;
}
irq_set_chained_handler_and_data(pcie->irq, altera_pcie_isr, pcie);