linux-kernel - Re: [PATCH 5/10 v2] Input: cpcap-pwrbutton: Handle return value of platform_get

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Message-ID: <20171118082122.GB31757@n2100.armlinux.org.uk>
Date:   Sat, 18 Nov 2017 08:21:22 +0000
From:   Russell King - ARM Linux <linux@...linux.org.uk>
To:     Arvind Yadav <arvind.yadav.cs@...il.com>
Cc:     dmitry.torokhov@...il.com, maxime.ripard@...e-electrons.com,
        wens@...e.org, linux@...ck-us.net, wsa@...-dreams.de,
        daniel.thompson@...aro.org, mcuos.com@...il.com,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-input@...r.kernel.org
Subject: Re: [PATCH 5/10 v2] Input: cpcap-pwrbutton: Handle return value of
 platform_get_irq

On Sat, Nov 18, 2017 at 02:36:53AM +0530, Arvind Yadav wrote:
> platform_get_irq() can fail here and we must check its return value.

The test should be <= 0, and you need to return an error code for the
0 case.

-- 
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
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