linux-kernel - Re: [PATCH] ata: propagate return value of scc_wait_after

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Message-ID: <CAJFMrCGvj4g+HFgS3sArZHJLH3fO1kAXsQwhTxgvOhbWywUtWw@mail.gmail.com>
Date:	Sat, 16 Aug 2014 17:55:14 +0530
From:	Arjun Sreedharan <arjun024@...il.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ata: propagate return value of scc_wait_after_reset

On 16 August 2014 17:51, Tejun Heo <tj@...nel.org> wrote:
> On Sat, Aug 16, 2014 at 05:34:31PM +0530, Arjun Sreedharan wrote:
>> On 16 August 2014 17:07, Tejun Heo <tj@...nel.org> wrote:
>> > Hello,
>> >
>> > On Sat, Aug 16, 2014 at 03:47:17PM +0530, Arjun Sreedharan wrote:
>> >> scc_bus_softreset not necessarily should return zero.
>> >> Propagate the error code.
>> >> Signed-off-by: Arjun Sreedharan <arjun024@...il.com>
>> >> ---
>> >>  drivers/ata/pata_scc.c | 9 ++++-----
>> >>  1 file changed, 4 insertions(+), 5 deletions(-)
>> >>
>> >> diff --git a/drivers/ata/pata_scc.c b/drivers/ata/pata_scc.c
>> >> index 4e006d7..5618c4518 100644
>> >> --- a/drivers/ata/pata_scc.c
>> >> +++ b/drivers/ata/pata_scc.c
>> >> @@ -585,7 +585,7 @@ static int scc_wait_after_reset(struct ata_link *link, unsigned int devmask,
>> >>   *   Note: Original code is ata_bus_softreset().
>> >>   */
>> >>
>> >> -static unsigned int scc_bus_softreset(struct ata_port *ap, unsigned int devmask,
>> >> +static int scc_bus_softreset(struct ata_port *ap, unsigned int devmask,
>> >>                                        unsigned long deadline)
>> >>  {
>> >>       struct ata_ioports *ioaddr = &ap->ioaddr;
>> >> @@ -599,9 +599,7 @@ static unsigned int scc_bus_softreset(struct ata_port *ap, unsigned int devmask,
>> >
>> > scc_bus_softreset() should return int too, right?
>>
>> I have changed it from unsigned int to int for better clarity since
>> scc_wait_after_reset() could
>> return negative errnos. Any issues ??
>
> Oh, I missed the previous chunk which changes it from uint to int.
> Sorry about that.

OK. i will resend the patch.

>
> Thanks.
>
> --
> tejun
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