Re: [PATCH v2 10/11] Revert "scsi: qla2xxx: Fix crash on qla2x00_mailbox_command"

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> On Aug 10, 2020, at 4:55 AM, Saurav Kashyap <skashyap@xxxxxxxxxxx> wrote:
> 
> Hi Daniel,
> 
>> -----Original Message-----
>> From: linux-scsi-owner@xxxxxxxxxxxxxxx <linux-scsi-owner@xxxxxxxxxxxxxxx>
>> On Behalf Of Daniel Wagner
>> Sent: Friday, August 7, 2020 1:24 PM
>> To: Nilesh Javali <njavali@xxxxxxxxxxx>
>> Cc: martin.petersen@xxxxxxxxxx; linux-scsi@xxxxxxxxxxxxxxx; GR-QLogic-
>> Storage-Upstream <GR-QLogic-Storage-Upstream@xxxxxxxxxxx>
>> Subject: Re: [PATCH v2 10/11] Revert "scsi: qla2xxx: Fix crash on
>> qla2x00_mailbox_command"
>> 
>> On Thu, Aug 06, 2020 at 04:10:13AM -0700, Nilesh Javali wrote:
>>> FCoE adapter initialization failed for ISP8021.
>>> 
>>> This reverts commit 3cb182b3fa8b7a61f05c671525494697cba39c6a.
>> 
>> But wouldn't this revert not also bring back the crash from 3cb182b3fa8b
>> ("scsi: qla2xxx: Fix crash on qla2x00_mailbox_command"):
> 
> This patch was never there in OOT driver, and we never hit an original problem. I have tested this patch myself
> and this have gone through test cycles as well. If an original issue is hit again, we will do an analysis and provide
> the fix. This revert fixes a load issues with ISP82XX.
> 
> Thanks,
> ~Saurav
>> 
>>    This patch fixes a crash on qla2x00_mailbox_command caused when the
>> driver
>>    is on UNLOADING state and tries to call qla2x00_poll, which triggers a
>>    NULL pointer dereference.
> 

If my memory serves me right. This crash reported was never reproduced during my testing when this patch was submitted and nor did it cause any issue. So I am fine with this change being reverted. 

Reviewed-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx>

--
Himanshu Madhani	 Oracle Linux Engineering





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