[PATCH 05/10] Input: cpcap-pwrbutton: Handle return value of platform_get_irq
From: Arvind Yadav <hidden>
Date: 2017-11-17 19:18:45
Also in:
linux-arm-kernel, lkml
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
platform_get_irq() can fail here and we must check its return value. Signed-off-by: Arvind Yadav <redacted> --- 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