diff mbox series

[07/10] PCI: altera-msi: Fix platform_get_irq() error handling

Message ID 1504201930-3617-7-git-send-email-fabio.estevam@nxp.com
State Accepted
Headers show
Series [01/10] PCI: exynos: Fix platform_get_irq() error handling | expand

Commit Message

Fabio Estevam Aug. 31, 2017, 5:52 p.m. UTC 
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@altera.com>
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
---
 drivers/pci/host/pcie-altera-msi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

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;
 	}