From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arvind Yadav Subject: [PATCH 05/10] Input: cpcap-pwrbutton: Handle return value of platform_get_irq Date: Sat, 18 Nov 2017 00:45:27 +0530 Message-ID: <1510946132-13554-6-git-send-email-arvind.yadav.cs@gmail.com> References: <1510946132-13554-1-git-send-email-arvind.yadav.cs@gmail.com> Return-path: In-Reply-To: <1510946132-13554-1-git-send-email-arvind.yadav.cs@gmail.com> Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: linux-input@vger.kernel.org platform_get_irq() can fail here and we must check its return value. Signed-off-by: Arvind Yadav --- 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