linux-kernel - Re: [PATCH v1] pata_ipx4xx_cf: Fix unsigned comparison with less than zero

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Message-ID: <a9af3dac-7ce5-71fb-5d89-a9afab4e48d4@gmail.com>
Date:   Sat, 10 Apr 2021 11:52:08 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...il.com>
To:     angkery <angkery@....com>, axboe@...nel.dk
Cc:     linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
        Junlin Yang <yangjunlin@...ong.com>
Subject: Re: [PATCH v1] pata_ipx4xx_cf: Fix unsigned comparison with less than
 zero

On 10.04.2021 2:42, angkery wrote:

> From: Junlin Yang <yangjunlin@...ong.com>
> 
> The return from the call to platform_get_irq() is int, it can be
> a negative error code, however this is being assigned to an unsigned
> int variable 'irq', so making 'irq' an int, and change the position to
> keep the code format.
> 
> Fixes coccicheck warnings:
> ./drivers/ata/pata_ixp4xx_cf.c:168:5-8:
> WARNING: Unsigned expression compared with zero: irq > 0
> 
> Signed-off-by: Junlin Yang <yangjunlin@...ong.com>
> ---
> changes in v1:
> update the commit information.

    Not seeing what's updated, and anwyways it should read irq < 0, else it 
doesn't make sense...

[...]

MBR, Sergei