platform_get_irq() can fail here and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
changes in v2 :
return irq instead of -ENODEV.
changes in v3 :
Add failure case '<= 0' instead of '< 0'. IRQ0 is not valid.
drivers/input/misc/twl4030-pwrbutton.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/input/misc/twl4030-pwrbutton.c b/drivers/input/misc/twl4030-pwrbutton.c
index b307cca..0dcf311 100644
--- a/drivers/input/misc/twl4030-pwrbutton.c
+++ b/drivers/input/misc/twl4030-pwrbutton.c
@@ -58,6 +58,9 @@ static int twl4030_pwrbutton_probe(struct platform_device *pdev)
int irq = platform_get_irq(pdev, 0);
int err;
+ if (irq <= 0)
+ return irq;
+
pwr = devm_input_allocate_device(&pdev->dev);
if (!pwr) {
dev_err(&pdev->dev, "Can't allocate power button\n");
--
2.7.4
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