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[72.132.29.68]) by smtp.gmail.com with ESMTPSA id r22sm3100073pgu.81.2021.04.09.07.02.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 09 Apr 2021 07:02:37 -0700 (PDT) Subject: Re: [PATCH] pata_ipx4xx_cf: Fix unsigned comparison with less than zero To: angkery Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, Junlin Yang References: <20210409135426.1773-1-angkery@163.com> From: Jens Axboe Message-ID: Date: Fri, 9 Apr 2021 08:02:36 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20210409135426.1773-1-angkery@163.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/9/21 7:54 AM, angkery wrote: > From: Junlin Yang > > 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. > > ./drivers/ata/pata_ixp4xx_cf.c:168:5-8: > WARNING: Unsigned expression compared with zero: irq > 0 Applied, thanks. -- Jens Axboe