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authorFabio Estevam <fabio.estevam@nxp.com>2017-08-31 14:52:04 -0300
committerBjorn Helgaas <bhelgaas@google.com>2017-09-05 13:32:10 -0500
commit16df7cdb9e9dfc459b5749f8139d1e58fb5cf649 (patch)
treebfda3bdfa0ab4b1d09e23640cf24b75b1ee94192 /drivers/pci
parent16f73eb02d7e1765ccab3d2018e0bd98eb93d973 (diff)
downloadlinux-16df7cdb9e9dfc459b5749f8139d1e58fb5cf649.tar.bz2
PCI: artpec6: 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> Acked-by: Niklas Cassel <niklas.cassel@axis.com>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/dwc/pcie-artpec6.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/pci/dwc/pcie-artpec6.c b/drivers/pci/dwc/pcie-artpec6.c
index 01c6f7823672..d8782c1451a4 100644
--- a/drivers/pci/dwc/pcie-artpec6.c
+++ b/drivers/pci/dwc/pcie-artpec6.c
@@ -207,9 +207,9 @@ static int artpec6_add_pcie_port(struct artpec6_pcie *artpec6_pcie,
if (IS_ENABLED(CONFIG_PCI_MSI)) {
pp->msi_irq = platform_get_irq_byname(pdev, "msi");
- if (pp->msi_irq <= 0) {
+ 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,