Message ID | 1510946132-13554-6-git-send-email-arvind.yadav.cs@gmail.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Fri, 17 Nov 2017 11:16:12 -0800 (PST) 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 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> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1510946132-13554-1-git-send-email-arvind.yadav.cs@gmail.com> References: <1510946132-13554-1-git-send-email-arvind.yadav.cs@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171117_111634_971020_A870FCE3 X-CRM114-Status: UNSURE ( 9.06 ) X-CRM114-Notice: Please train this message. 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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;
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(+)