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author | Fabio Estevam | 2017-08-31 19:52:04 +0200 |
---|---|---|
committer | Bjorn Helgaas | 2017-09-05 20:32:10 +0200 |
commit | 16df7cdb9e9dfc459b5749f8139d1e58fb5cf649 (patch) | |
tree | bfda3bdfa0ab4b1d09e23640cf24b75b1ee94192 /drivers/pci/dwc/pcie-artpec6.c | |
parent | Linux 4.13-rc3 (diff) | |
download | kernel-qcow2-linux-16df7cdb9e9dfc459b5749f8139d1e58fb5cf649.tar.gz kernel-qcow2-linux-16df7cdb9e9dfc459b5749f8139d1e58fb5cf649.tar.xz kernel-qcow2-linux-16df7cdb9e9dfc459b5749f8139d1e58fb5cf649.zip |
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/dwc/pcie-artpec6.c')
-rw-r--r-- | drivers/pci/dwc/pcie-artpec6.c | 4 |
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, |