Re: [PATCH] sata_sil: fix uninitialized variable use when sil_scr_read() fails

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Yuasa Yoichi wrote:
>> The first usage of that is
>>
>>  sil_scr_read(&ap->link, SCR_ERROR, &serror);
>>
>> which sets the value.  So, I don't think the patch is necessary.  If
>> it triggers a compile warning, putting uninitialized_var() macro will
>> be more appropriate.
> 
> If sil_scr_read() is error, 'serror' is not initialized.
> After that, the wrong bits add to 'ap->link.eh_info.serror' when
> 'serror & SERR_PHYRDT_CHG' is true.

On the controller, sil_scr_read(SCR_ERROR) can never fail.  If it ever
fails, the whole thing will break anyway.

Thanks.

-- 
tejun
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