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From: Hannes Reinecke <hare@suse.de>
To: Arnd Bergmann <arnd@arndb.de>
Cc: martin.petersen@oracle.com,
	James.Bottomley@hansenpartnership.com,
	James Smart <james.smart@avagotech.com>,
	Dick Kennedy <dick.kennedy@avagotech.com>,
	"James E.J. Bottomley" <JBottomley@odin.com>,
	linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
	Hannes Reinecke <hare@suse.com>,
	Sebastian Herbszt <herbszt@gmx.de>
Subject: Re: [PATCH 2/3] lpfc: fix misleading indentation
Date: Mon, 14 Mar 2016 16:26:28 +0100	[thread overview]
Message-ID: <56E6D824.3080809@suse.de> (raw)
In-Reply-To: <13330994.pIJCLN5xX1@wuerfel>

On 03/14/2016 04:25 PM, Arnd Bergmann wrote:
> On Monday 14 March 2016 16:19:58 Hannes Reinecke wrote:
>>>       vports = lpfc_create_vport_work_array(phba);
>>> -     if (vports != NULL)
>>> +     if (vports != NULL) {
>>>               for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
>>>                       struct Scsi_Host *shost;
>>>                       shost = lpfc_shost_from_vport(vports[i]);
>>> @@ -2877,7 +2877,8 @@ lpfc_online(struct lpfc_hba *phba)
>>>                       }
>>>                       spin_unlock_irq(shost->host_lock);
>>>               }
>>> -             lpfc_destroy_vport_work_array(phba, vports);
>>> +     }
>>> +     lpfc_destroy_vport_work_array(phba, vports);
>>>  
>>>       lpfc_unblock_mgmt_io(phba);
>>>       return 0;
>>>
>> Nope.
>>
>> vports is only valid from within the indentation block, so it should
>> be moved into it.
>>
>>
> 
> Well, every other user of the function also looks like
> 
> 	vports = lpfc_create_vport_work_array(phba);
> 	if (vports != NULL) {
> 		do_something(vports);
> 	}
> 	lpfc_destroy_vport_work_array(phba, vports);
> 
> and lpfc_destroy_vport_work_array() does nothing if its argument is NULL.
> 
> I still think my patch is the correct fix for the warning.
> 
Okay, good point.

Reviewed-by: Hannes Reinecke <hare@suse.com>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare@suse.de			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)
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WARNING: multiple messages have this Message-ID (diff)
From: Hannes Reinecke <hare@suse.de>
To: Arnd Bergmann <arnd@arndb.de>
Cc: martin.petersen@oracle.com,
	James.Bottomley@hansenpartnership.com,
	James Smart <james.smart@avagotech.com>,
	Dick Kennedy <dick.kennedy@avagotech.com>,
	"James E.J. Bottomley" <JBottomley@odin.com>,
	linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
	Hannes Reinecke <hare@suse.com>,
	Sebastian Herbszt <herbszt@gmx.de>
Subject: Re: [PATCH 2/3] lpfc: fix misleading indentation
Date: Mon, 14 Mar 2016 16:26:28 +0100	[thread overview]
Message-ID: <56E6D824.3080809@suse.de> (raw)
In-Reply-To: <13330994.pIJCLN5xX1@wuerfel>

On 03/14/2016 04:25 PM, Arnd Bergmann wrote:
> On Monday 14 March 2016 16:19:58 Hannes Reinecke wrote:
>>>       vports = lpfc_create_vport_work_array(phba);
>>> -     if (vports != NULL)
>>> +     if (vports != NULL) {
>>>               for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {
>>>                       struct Scsi_Host *shost;
>>>                       shost = lpfc_shost_from_vport(vports[i]);
>>> @@ -2877,7 +2877,8 @@ lpfc_online(struct lpfc_hba *phba)
>>>                       }
>>>                       spin_unlock_irq(shost->host_lock);
>>>               }
>>> -             lpfc_destroy_vport_work_array(phba, vports);
>>> +     }
>>> +     lpfc_destroy_vport_work_array(phba, vports);
>>>  
>>>       lpfc_unblock_mgmt_io(phba);
>>>       return 0;
>>>
>> Nope.
>>
>> vports is only valid from within the indentation block, so it should
>> be moved into it.
>>
>>
> 
> Well, every other user of the function also looks like
> 
> 	vports = lpfc_create_vport_work_array(phba);
> 	if (vports != NULL) {
> 		do_something(vports);
> 	}
> 	lpfc_destroy_vport_work_array(phba, vports);
> 
> and lpfc_destroy_vport_work_array() does nothing if its argument is NULL.
> 
> I still think my patch is the correct fix for the warning.
> 
Okay, good point.

Reviewed-by: Hannes Reinecke <hare@suse.com>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare@suse.de			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)

  reply	other threads:[~2016-03-14 15:26 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-14 14:29 gcc-6.0 warnings for scsi Arnd Bergmann
2016-03-14 14:29 ` [PATCH 1/3] aacraid: add missing curly braces Arnd Bergmann
2016-03-18 19:20   ` Martin K. Petersen
2016-03-18 20:50   ` Raghava Aditya Renukunta
2016-03-22  0:26   ` Martin K. Petersen
2016-03-14 14:29 ` [PATCH 2/3] lpfc: fix misleading indentation Arnd Bergmann
2016-03-14 15:19   ` Hannes Reinecke
2016-03-14 15:25     ` Arnd Bergmann
2016-03-14 15:26       ` Hannes Reinecke [this message]
2016-03-14 15:26         ` Hannes Reinecke
2016-03-14 15:48         ` Ewan Milne
2016-03-14 22:27   ` Sebastian Herbszt
2016-03-18 19:22   ` Martin K. Petersen
2016-03-14 14:29 ` [PATCH 3/3] megaraid_sas: add missing curly braces in ioctl handler Arnd Bergmann
2016-03-14 15:20   ` Hannes Reinecke
2016-03-14 15:20     ` Hannes Reinecke
2016-03-15 11:08   ` Sumit Saxena
2016-03-18 19:23   ` Martin K. Petersen

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