linux-kernel - Re: [PATCH v2] scsi: qla2xxx: Simplify if condition evaluation

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Date:   Mon, 23 Jan 2023 00:00:04 +0530
From:   Deepak R Varma <drv@...lo.com>
To:     Nilesh Javali <njavali@...vell.com>,
        GR-QLogic-Storage-Upstream@...vell.com,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Saurabh Singh Sengar <ssengar@...rosoft.com>,
        Praveen Kumar <kumarpraveen@...ux.microsoft.com>
Subject: Re: [PATCH v2] scsi: qla2xxx: Simplify if condition evaluation

On Thu, Jan 12, 2023 at 11:56:46AM +0530, Deepak R Varma wrote:
> A logical evaluation of type (!A || A && B) can be simplified as
> (!A || B).
> Improvement by suggested by excluded_middle.cocci Coccinelel semantic
> patch.
> 
> Signed-off-by: Deepak R Varma <drv@...lo.com>
> ---

Hello,
May I request a review and feedback comment on this patch please?

Thank you,
./drv

> Please note: Change is compile tested only.
> 
> Changes in v2:
>    - Correct the if evaluation from (A && B) to (!A || B). Feedback
>      from Lee Duncan <lduncan@...e.com>
> 
>  drivers/scsi/qla2xxx/qla_target.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
> index 548f22705ddc..4f104fbfe55d 100644
> --- a/drivers/scsi/qla2xxx/qla_target.c
> +++ b/drivers/scsi/qla2xxx/qla_target.c
> @@ -1028,8 +1028,7 @@ void qlt_free_session_done(struct work_struct *work)
>  		}
>  
>  		if (ha->flags.edif_enabled &&
> -		    (!own || (own &&
> -			      own->iocb.u.isp24.status_subcode == ELS_PLOGI))) {
> +				(!own || own->iocb.u.isp24.status_subcode == ELS_PLOGI)) {
>  			sess->edif.authok = 0;
>  			if (!ha->flags.host_shutting_down) {
>  				ql_dbg(ql_dbg_edif, vha, 0x911e,
> -- 
> 2.34.1
> 
> 
>