linux-kernel - Re: [PATCH 0/6] mmc: Handle platform_get

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Message-ID: <20171118081947.GX31757@n2100.armlinux.org.uk>
Date:   Sat, 18 Nov 2017 08:19:47 +0000
From:   Russell King - ARM Linux <linux@...linux.org.uk>
To:     Arvind Yadav <arvind.yadav.cs@...il.com>
Cc:     ulf.hansson@...aro.org, carlo@...one.org, khilman@...libre.com,
        ben-linux@...ff.org, adrian.hunter@...el.com, vireshk@...nel.org,
        maxime.ripard@...e-electrons.com, wens@...e.org,
        linux-amlogic@...ts.infradead.org, linux-mmc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 0/6] mmc: Handle platform_get_irq's error checking and
 return

On Sat, Nov 18, 2017 at 01:58:16AM +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 and we must check its return value.

IRQ 0 is not a valid interrupt.  The correct test here is <= 0.
Please rework your patches for this.

Thanks.

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