From: Arvind Yadav <arvind.yadav.cs@gmail.com>
To: dmitry.torokhov@gmail.com, maxime.ripard@free-electrons.com,
wens@csie.org, linux@roeck-us.net, wsa@the-dreams.de,
daniel.thompson@linaro.org, mcuos.com@gmail.com
Cc: linux-kernel@vger.kernel.org, linux-input@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH 5/10 v2] Input: cpcap-pwrbutton: Handle return value of platform_get_irq
Date: Sat, 18 Nov 2017 02:36:53 +0530 [thread overview]
Message-ID: <ae8e2bcc48ceeb7cf04f4ec19e7cc76d51fcf58f.1510952504.git.arvind.yadav.cs@gmail.com> (raw)
platform_get_irq() can fail here and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
changes in v2 :
return irq instead of -ENODEV.
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..3a0626b 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;
--
2.7.4
next reply other threads:[~2017-11-17 21:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-17 21:06 Arvind Yadav [this message]
2017-11-18 8:21 ` [PATCH 5/10 v2] Input: cpcap-pwrbutton: Handle return value of platform_get_irq Russell King - ARM Linux
2017-11-18 18:27 ` Dmitry Torokhov
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