platform_get_irq() returns an error code, but the pci-dra7xx driver
ignores it and always returns -EINVAL. This is not correct and,
prevents -EPROBE_DEFER from being propagated properly.
Print and propagate the return value of platform_get_irq on failure.
This issue was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
---
drivers/pci/dwc/pci-dra7xx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c
index f2fc5f4..f58e1b4 100644
--- a/drivers/pci/dwc/pci-dra7xx.c
+++ b/drivers/pci/dwc/pci-dra7xx.c
@@ -616,8 +616,8 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev)
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
- dev_err(dev, "missing IRQ resource\n");
- return -EINVAL;
+ dev_err(dev, "missing IRQ resource: %d\n", irq);
+ return irq;
}
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ti_conf");
--
2.5.0
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