Re: [PATCH] SCSI: fix the return type of the remove() method in sgiwd93.c

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> On Wed, 2008-12-03 at 18:52 +0100, Kay Sievers wrote:
>> On Wed, Dec 3, 2008 at 18:08, James Bottomley
>> <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> wrote:
>> > On Wed, 2008-12-03 at 18:24 +0200, Vorobiev Dmitri wrote:
>> >> > This patch fixes the following compilation warning:
>> >> >
>> >> >   CC [M]  drivers/scsi/sgiwd93.o
>> >> > drivers/scsi/sgiwd93.c:314: warning: initialization from
>> incompatible
>> >> > pointer type
>> >>
>> >> Any news about this one? I think this patch should go via linux-scsi,
>> >> unless you would be insisting on pushing it via linux-mips, in which
>> case
>> >> I'll politely bug Ralf about it. :)
>> >
>> > Looks OK for the local change.
>> >
>> > Globally, having driver->remove and platform_driver->remove return int
>> > instead of void looks wrong.  Particularly when the only use cases are
>> > in drivers/base/ and they all ignore the return code.
>> >
>> > Greg and Kay ... shouldn't we simply redefine the return values for
>> the
>> > remove methods in these structures to return void (and thus match the
>> > use case)?
>>
>> Aren't there many many drivers across the tree, using the "int remove"
>> version?
>
> Yes ... since it's a function prototype.
>
> However, if drivers/base simply discards the return, it's a trap we
> shouldn't be setting.

Hmmm, it does look like the return value is discarded, please see
drivers/base/dd.c::__device_release_driver() for details.

Does this not deserve a good cleanup?

Dmitri

>
> James
>
>
>
>

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