linux-kernel - Re: [PATCH 3/5 v2] ASoC: nuc900: Fix platform_get

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Message-ID: <20171118081825.GU31757@n2100.armlinux.org.uk>
Date:   Sat, 18 Nov 2017 08:18:25 +0000
From:   Russell King - ARM Linux <linux@...linux.org.uk>
To:     Arvind Yadav <arvind.yadav.cs@...il.com>
Cc:     lgirdwood@...il.com, broonie@...nel.org, perex@...ex.cz,
        tiwai@...e.com, matthias.bgg@...il.com,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/5 v2] ASoC: nuc900: Fix platform_get_irq's error
 checking

On Sat, Nov 18, 2017 at 10:57:53AM +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.

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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