[PATCH] input: cpcap-pwrbutton: Add an error handling
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STALE1868d
LANDED
From: Tang Bin <hidden>
Date: 2021-08-02 12:17:17
Also in:
lkml
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
Landed in mainline as 58ae4004b9c4 on 2021-09-06.
The function cpcap_power_button_probe() does not perform sufficient error checking after executing platform_get_irq(), thus fix it. Signed-off-by: Tang Bin <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 0abef6321..0a1f2e8b4 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 irq; + button = devm_kmalloc(&pdev->dev, sizeof(*button), GFP_KERNEL); if (!button) return -ENOMEM;
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2.20.1.windows.1