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Subject[PATCH 05/10] Input: cpcap-pwrbutton: Handle return value of platform_get_irq
Date
platform_get_irq() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
drivers/input/misc/cpcap-pwrbutton.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/input/misc/cpcap-pwrbutton.c b/drivers/input/misc/cpcap-pwrbutton.c
index 0abef63..a4962e7 100644
--- a/drivers/input/misc/cpcap-pwrbutton.c
+++ b/drivers/input/misc/cpcap-pwrbutton.c
@@ -57,6 +57,9 @@ static int cpcap_power_button_probe(struct platform_device *pdev)
int irq = platform_get_irq(pdev, 0);
int err;

+ if (irq < 0)
+ return -ENODEV;
+
button = devm_kmalloc(&pdev->dev, sizeof(*button), GFP_KERNEL);
if (!button)
return -ENOMEM;
--
2.7.4
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