RE: [smartpqi updates PATCH 8/9] smartpqi: fix isr accessing null structure member

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From: Paul Menzel [mailto:pmenzel@xxxxxxxxxxxxx] 
Subject: Re: [smartpqi updates PATCH 8/9] smartpqi: fix isr accessing null structure member

Dear Don, dear Mike,


Am 06.07.21 um 20:16 schrieb Don Brace:
> From: Mike McGowen <mike.mcgowen@xxxxxxxxxxxxx>
>
> Correct driver's ISR accessing a data structure member that has not 
> been fully initialized during driver init.

Does that crash the Linux kernel?
Don: 
No. I updated the title and description to reflect this. It resulted in some brief access to uninitialized members.
This was found during some internal testing, no bugs were ever filed for this change.
 
Thanks for your review.

>    - The pqi queue groups can be null when an interrupt fires.

If it fixes a crash(?), please add a Fixes: tag so it can be backported to the stable series.



Kind regards,

Paul




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