linux-kernel - Re: [PATCH 0/3] mfd: Handle platform_get

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Message-ID: <20171118081540.GQ31757@n2100.armlinux.org.uk>
Date:   Sat, 18 Nov 2017 08:15:40 +0000
From:   Russell King - ARM Linux <linux@...linux.org.uk>
To:     Arvind Yadav <arvind.yadav.cs@...il.com>
Cc:     lee.jones@...aro.org, maxime.ripard@...e-electrons.com,
        wens@...e.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 0/3] mfd: Handle platform_get_irq's error checking and
 return

On Sat, Nov 18, 2017 at 12:06:30PM +0530, Arvind Yadav wrote:
> The platform_get_irq() function returns negative if an error occurs.
> zero or positive number on success. platform_get_irq() error checking
> for zero is not correct and we must check its return value.

The failure case is <= 0, not < 0.  IRQ0 is not valid.  Please rework
your patches to that effect, thanks.

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