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.
Cc: Ley Foon Tan <lftan@xxxxxxxxxx>
Signed-off-by: Fabio Estevam <fabio.estevam@xxxxxxx>
---
drivers/pci/host/pcie-altera-msi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/host/pcie-altera-msi.c b/drivers/pci/host/pcie-altera-msi.c
index 2864030..d8141f4 100644
--- a/drivers/pci/host/pcie-altera-msi.c
+++ b/drivers/pci/host/pcie-altera-msi.c
@@ -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;
}
--
2.7.4
