linux-kernel - Re: [PATCH] qla2xxx: Do not consume srb greedily

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Message-ID: <yq1imblzcgi.fsf@ca-mkp.ca.oracle.com>
Date:   Wed, 07 Oct 2020 22:19:39 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Daniel Wagner <dwagner@...e.de>
Cc:     Nilesh Javali <njavali@...vell.com>, Arun Easi <aeasi@...vell.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] qla2xxx: Do not consume srb greedily


Daniel,

> qla2xx_process_get_sp_from_handle() will clear the slot which the
> current srb is stored. So this function has a side effect. Therefore,
> we can't use it in qla24xx_process_mbx_iocb_response() to check
> for consistency and later again in qla24xx_mbx_iocb_entry().
>
> Let's move the consistency check directly into
> qla24xx_mbx_iocb_entry() and avoid the double call or any open coding
> of the qla2xx_process_get_sp_from_handle() functionality.

Applied to 5.10/scsi-staging, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering