linux-kernel - Re: [PATCH] scsi: remove useless acpi functions in the head file

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Message-ID: <58759557.7060405@huawei.com>
Date:   Wed, 11 Jan 2017 10:15:51 +0800
From:   Hanjun Guo <guohanjun@...wei.com>
To:     Aaron Lu <aaron.lu@...el.com>
CC:     <jejb@...ux.vnet.ibm.com>, <martin.petersen@...cle.com>,
        John Garry <john.garry@...wei.com>,
        <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Hanjun Guo <hanjun.guo@...aro.org>
Subject: Re: [PATCH] scsi: remove useless acpi functions in the head file

On 2017/1/11 9:50, Aaron Lu wrote:
> On 01/10/2017 07:44 PM, John Garry wrote:
>> On 10/01/2017 08:14, Hanjun Guo wrote:
>>> From: Hanjun Guo <hanjun.guo@...aro.org>
>>>
>>> commit f1bc1e4c44b1 ("ata: acpi: rework the ata acpi bind support")
>>> removed scsi_register_acpi_bus_type() and scsi_unregister_acpi_bus_type(),
>>> but forgot to remove them in the head file, do it now.
>>>
>>> Signed-off-by: Hanjun Guo <hanjun.guo@...aro.org>
> Reviewed-by: Aaron Lu <aaron.lu@...el.com>
>
> Just out of curiosity, did you find this by some tool? If so, can you
> please let me know the tool name so that I can avoid such problems in
> the future? Thanks.

No, not found by tool. I was working on a patch set which tried to
introduce a new acpi bus type [1], so I greped the usage of
"struct acpi_bus_type" then found this issue :)

[1]: https://lkml.org/lkml/2016/12/31/40

Thanks
Hanjun