linux-kernel - Re: [PATCH v4 4/5] scsi: fnic: Turn off FDMI ACTIVE flags on link down

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Message-ID: <7a33bd90-7f1b-49ad-b24c-1808073f7f5e@redhat.com>
Date: Fri, 13 Jun 2025 16:28:46 -0400
From: John Meneghini <jmeneghi@...hat.com>
To: Karan Tilak Kumar <kartilak@...co.com>, sebaddel@...co.com
Cc: arulponn@...co.com, djhawar@...co.com, gcboffa@...co.com,
 mkai2@...co.com, satishkh@...co.com, aeasi@...co.com, jejb@...ux.ibm.com,
 martin.petersen@...cle.com, linux-scsi@...r.kernel.org,
 linux-kernel@...r.kernel.org, revers@...hat.com, dan.carpenter@...aro.org,
 stable@...r.kernel.org
Subject: Re: [PATCH v4 4/5] scsi: fnic: Turn off FDMI ACTIVE flags on link
 down

Hi Karan.

You've got two patches in this series with the same Fixes: tag.

[PATCH v4 2/5] scsi: fnic: Fix crash in fnic_wq_cmpl_handler when FDMI times out
Fixes: 09c1e6ab4ab2 ("scsi: fnic: Add and integrate support for FDMI")

[PATCH v4 4/5] scsi: fnic: Turn off FDMI ACTIVE flags on link down
Fixes: 09c1e6ab4ab2 ("scsi: fnic: Add and integrate support for FDMI")

both of these patches modify the same file:

   drivers/scsi/fnic/fdls_disc.c

So I recommend you squash patch 4/5 and patch 2/5 into one.

Thanks,

/John

On 6/12/25 6:18 PM, Karan Tilak Kumar wrote:
> When the link goes down and comes up, FDMI requests are not sent out
> anymore.
> Fix bug by turning off FNIC_FDMI_ACTIVE when the link goes down.
> 
> Fixes: 09c1e6ab4ab2 ("scsi: fnic: Add and integrate support for FDMI")
> Reviewed-by: Sesidhar Baddela <sebaddel@...co.com>
> Reviewed-by: Arulprabhu Ponnusamy <arulponn@...co.com>
> Reviewed-by: Gian Carlo Boffa <gcboffa@...co.com>
> Reviewed-by: Arun Easi <aeasi@...co.com>
> Tested-by: Karan Tilak Kumar <kartilak@...co.com>
> Cc: <stable@...r.kernel.org>
> Signed-off-by: Karan Tilak Kumar <kartilak@...co.com>
> ---
> Changes between v3 and v4:
>      - Incorporate review comments from Dan:
> 	- Remove comments from Cc tag
> 
> Changes between v2 and v3:
>      - Incorporate review comments from Dan:
> 	- Add Cc to stable
> 
> Changes between v1 and v2:
>      - Incorporate review comments from Dan:
> 	- Add Fixes tag
> ---
>   drivers/scsi/fnic/fdls_disc.c | 9 ++++++---
>   1 file changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/scsi/fnic/fdls_disc.c b/drivers/scsi/fnic/fdls_disc.c
> index 9e9939d41fa8..14691db4d5f9 100644
> --- a/drivers/scsi/fnic/fdls_disc.c
> +++ b/drivers/scsi/fnic/fdls_disc.c
> @@ -5078,9 +5078,12 @@ void fnic_fdls_link_down(struct fnic_iport_s *iport)
>   		fdls_delete_tport(iport, tport);
>   	}
>   
> -	if ((fnic_fdmi_support == 1) && (iport->fabric.fdmi_pending > 0)) {
> -		timer_delete_sync(&iport->fabric.fdmi_timer);
> -		iport->fabric.fdmi_pending = 0;
> +	if (fnic_fdmi_support == 1) {
> +		if (iport->fabric.fdmi_pending > 0) {
> +			timer_delete_sync(&iport->fabric.fdmi_timer);
> +			iport->fabric.fdmi_pending = 0;
> +		}
> +		iport->flags &= ~FNIC_FDMI_ACTIVE;
>   	}
>   
>   	FNIC_FCS_DBG(KERN_INFO, fnic->host, fnic->fnic_num,