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From: Jason Yan <yanaijie@huawei.com>
To: John Garry <john.garry@huawei.com>, <martin.petersen@oracle.com>,
	<jejb@linux.vnet.ibm.com>
Cc: <linux-scsi@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<zhaohongjiang@huawei.com>, <hare@suse.com>,
	<dan.j.williams@intel.com>, <jthumshirn@suse.de>, <hch@lst.de>,
	<huangdaode@hisilicon.com>, <chenxiang66@hisilicon.com>,
	<xiexiuqi@huawei.com>, <tj@kernel.org>, <miaoxie@huawei.com>,
	Ewan Milne <emilne@redhat.com>, Tomas Henzl <thenzl@redhat.com>
Subject: Re: [PATCH 2/8] scsi: libsas: check the lldd callback correctly
Date: Fri, 1 Jun 2018 08:15:42 +0800	[thread overview]
Message-ID: <5B10902E.5080503@huawei.com> (raw)
In-Reply-To: <a8427e3b-baaf-3044-6fb3-c9c9a4253417@huawei.com>



On 2018/5/31 22:09, John Garry wrote:
> On 29/05/2018 03:23, Jason Yan wrote:
>> We are using lldd_port_deformed so we'd better check if
>> lldd_port_deformed
>> is NULL.
>>
>> Signed-off-by: Jason Yan <yanaijie@huawei.com>
>> CC: John Garry <john.garry@huawei.com>
>> CC: Johannes Thumshirn <jthumshirn@suse.de>
>> CC: Ewan Milne <emilne@redhat.com>
>> CC: Christoph Hellwig <hch@lst.de>
>> CC: Tomas Henzl <thenzl@redhat.com>
>> CC: Dan Williams <dan.j.williams@intel.com>
>> CC: Hannes Reinecke <hare@suse.com>
>> ---
>>  drivers/scsi/libsas/sas_discover.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/scsi/libsas/sas_discover.c
>> b/drivers/scsi/libsas/sas_discover.c
>> index a0fa7ef3a071..354f6db5bb66 100644
>> --- a/drivers/scsi/libsas/sas_discover.c
>> +++ b/drivers/scsi/libsas/sas_discover.c
>> @@ -260,7 +260,7 @@ static void sas_suspend_devices(struct work_struct
>> *work)
>>       * phy_list is not being mutated
>>       */
>>      list_for_each_entry(phy, &port->phy_list, port_phy_el) {
>> -        if (si->dft->lldd_port_formed)
>> +        if (si->dft->lldd_port_deformed)
>
> If you do make this change, then you can remove
> hisi_sas_port_deformed(), as it is just a stub to avoid a jump to NULL
> from above.
>

OK, I will remove it.

>>              si->dft->lldd_port_deformed(phy);
>>          phy->suspended = 1;
>>          port->suspended = 1;
>>
>
>
>
> .
>

  reply	other threads:[~2018-06-01  0:16 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-29  2:23 [PATCH 0/8] libsas: Support swapping disks and SATA phy link rate matching the pathway Jason Yan
2018-05-29  2:23 ` [PATCH 1/8] scsi: libsas: delete dead code in scsi_transport_sas.c Jason Yan
2018-05-29  7:33   ` Johannes Thumshirn
2018-05-31 14:26   ` John Garry
2018-05-29  2:23 ` [PATCH 2/8] scsi: libsas: check the lldd callback correctly Jason Yan
2018-05-29  7:34   ` Johannes Thumshirn
2018-05-31 14:09   ` John Garry
2018-06-01  0:15     ` Jason Yan [this message]
2018-05-29  2:23 ` [PATCH 3/8] scsi: libsas: always unregister the old device if going to discover new Jason Yan
2018-05-29  7:37   ` Johannes Thumshirn
2018-05-31 15:09   ` John Garry
2018-06-01  0:28     ` Jason Yan
2018-05-29  2:23 ` [PATCH 4/8] scsi: libsas: trigger a new revalidation to discover the device Jason Yan
2018-05-29  7:43   ` Johannes Thumshirn
2018-05-31 15:42   ` John Garry
2018-06-01  0:59     ` Jason Yan
2018-06-01 10:02       ` John Garry
2018-06-04  1:01         ` Jason Yan
2018-05-29  2:23 ` [PATCH 5/8] scsi: libsas: check if the same sata device when flutter Jason Yan
2018-05-29  2:23 ` [PATCH 6/8] scsi: libsas: reset the phy state and address if discover failed Jason Yan
2018-05-29  2:23 ` [PATCH 7/8] scsi: libsas: fix issue of swapping two sas disks Jason Yan
2018-05-29  2:23 ` [PATCH 8/8] scsi: libsas: support SATA phy link rate unmatch the pathway Jason Yan
2018-05-31 16:05   ` John Garry
2018-06-01  1:21     ` Jason Yan
2018-06-01 10:13       ` John Garry

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