linux-kernel - Re: [PATCH v3 2/9] i2c: mlxbf: Use dev_err

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 8 Aug 2023 13:31:31 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andi Shyti <andi.shyti@...nel.org>
Cc:     Liao Chang <liaochang1@...wei.com>, florian.fainelli@...adcom.com,
        rjui@...adcom.com, sbranden@...adcom.com,
        bcm-kernel-feedback-list@...adcom.com, yangyicong@...ilicon.com,
        aisheng.dong@....com, shawnguo@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        kblaiech@...dia.com, asmaa@...dia.com, loic.poulain@...aro.org,
        rfoss@...nel.org, ardb@...nel.org, gcherian@...vell.com,
        linux-i2c@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v3 2/9] i2c: mlxbf: Use dev_err_probe in probe function

On 08/08/2023 13:29, Andi Shyti wrote:
> Hi Krzysztof,
> 
> On Tue, Aug 08, 2023 at 10:36:40AM +0200, Krzysztof Kozlowski wrote:
>> On 08/08/2023 03:29, Liao Chang wrote:
>>> Use the dev_err_probe function instead of dev_err in the probe function
>>> so that the printed messge includes the return value and also handles
>>> -EPROBE_DEFER nicely.
>>>
>>> Reviewed-by: Andi Shyti <andi.shyti@...nel.org>
>>> Signed-off-by: Liao Chang <liaochang1@...wei.com>
>>
>> ...
>>
>>> @@ -2413,10 +2399,8 @@ static int mlxbf_i2c_probe(struct platform_device *pdev)
>>>  	ret = devm_request_irq(dev, irq, mlxbf_i2c_irq,
>>>  			       IRQF_SHARED | IRQF_PROBE_SHARED,
>>>  			       dev_name(dev), priv);
>>> -	if (ret < 0) {
>>> -		dev_err(dev, "Cannot get irq %d\n", irq);
>>> -		return ret;
>>> -	}
>>> +	if (ret < 0)
>>> +		return dev_err_probe(dev, ret, "Cannot get irq %d\n", irq);
>>
>> I don't think this is needed:
>> https://lore.kernel.org/all/20230721094641.77189-1-frank.li@vivo.com/
> 
> Hmm, that's a bit borderline, I'd say. The change to

What's borderline exactly? devm_request_threaded_irq_probe() is coming,
right? If it is accepted this hunk is useless and soon should be
replaced with proper one.

Instead of making many trivial changes doing the same, all these series
should be aligned.

> devm_request_irq/devm_request_threaded_irq_probe seems like
> something for another series. But for now, I think I'll accept
> this as it is since it fits within the scope of this current
> series.


Best regards,
Krzysztof