linux-kernel - Re: [PATCH] scsi: fnic: Replace sgreset tag with max_tag

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Message-ID: <yq1msyezuvm.fsf@ca-mkp.ca.oracle.com>
Date:   Fri, 25 Aug 2023 17:15:34 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Karan Tilak Kumar <kartilak@...co.com>
Cc:     sebaddel@...co.com, arulponn@...co.com, djhawar@...co.com,
        gcboffa@...co.com, mkai2@...co.com, satishkh@...co.com,
        jejb@...ux.ibm.com, martin.petersen@...cle.com,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scsi: fnic: Replace sgreset tag with max_tag_id


Karan,

> sgreset is issued with a scsi command pointer. The device reset code
> assumes that it was issued on a hardware queue, and calls block
> multiqueue layer. However, the assumption is broken, and there is no
> hardware queue associated with the sgreset, and this leads to a crash
> due to a null pointer exception.

Applied to 6.6/scsi-staging, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering