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From: "Arulprabhu Ponnusamy (arulponn)" <arulponn@cisco.com>
To: "Karan Tilak Kumar (kartilak)" <kartilak@cisco.com>,
	"Satish Kharat (satishkh)" <satishkh@cisco.com>
Cc: "Sesidhar Baddela (sebaddel)" <sebaddel@cisco.com>,
	"jejb@linux.ibm.com" <jejb@linux.ibm.com>,
	"martin.petersen@oracle.com" <martin.petersen@oracle.com>,
	"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] scsi: fnic: Validate io_req before others
Date: Tue, 24 Nov 2020 01:32:30 +0000	[thread overview]
Message-ID: <0C569CCE-A202-4C01-B112-92080126BA87@cisco.com> (raw)
In-Reply-To: <20201121023337.19295-1-kartilak@cisco.com>

Looks good.
Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com>

On 11/20/20, 6:33 PM, "Karan Tilak Kumar" <kartilak@cisco.com> wrote:

    We need to check for a valid io_req before
    we check other data. Also, removing
    redundant checks.

    Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com>
    Signed-off-by: Satish Kharat <satishkh@cisco.com>
    ---
     drivers/scsi/fnic/fnic.h      | 2 +-
     drivers/scsi/fnic/fnic_scsi.c | 9 ++++-----
     2 files changed, 5 insertions(+), 6 deletions(-)

    diff --git a/drivers/scsi/fnic/fnic.h b/drivers/scsi/fnic/fnic.h
    index e4d399f41a0a..69f373b53132 100644
    --- a/drivers/scsi/fnic/fnic.h
    +++ b/drivers/scsi/fnic/fnic.h
    @@ -39,7 +39,7 @@

     #define DRV_NAME		"fnic"
     #define DRV_DESCRIPTION		"Cisco FCoE HBA Driver"
    -#define DRV_VERSION		"1.6.0.52"
    +#define DRV_VERSION		"1.6.0.53"
     #define PFX			DRV_NAME ": "
     #define DFX                     DRV_NAME "%d: "

    diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
    index 532c3c7ae372..36744968378f 100644
    --- a/drivers/scsi/fnic/fnic_scsi.c
    +++ b/drivers/scsi/fnic/fnic_scsi.c
    @@ -1735,15 +1735,14 @@ void fnic_terminate_rport_io(struct fc_rport *rport)
     			continue;
     		}

    -		cmd_rport = starget_to_rport(scsi_target(sc->device));
    -		if (rport != cmd_rport) {
    +		io_req = (struct fnic_io_req *)CMD_SP(sc);
    +		if (!io_req) {
     			spin_unlock_irqrestore(io_lock, flags);
     			continue;
     		}

    -		io_req = (struct fnic_io_req *)CMD_SP(sc);
    -
    -		if (!io_req || rport != cmd_rport) {
    +		cmd_rport = starget_to_rport(scsi_target(sc->device));
    +		if (rport != cmd_rport) {
     			spin_unlock_irqrestore(io_lock, flags);
     			continue;
     		}
    -- 
    2.29.2



  reply	other threads:[~2020-11-24  1:32 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-21  2:33 [PATCH] scsi: fnic: Validate io_req before others Karan Tilak Kumar
2020-11-24  1:32 ` Arulprabhu Ponnusamy (arulponn) [this message]
2020-11-24  3:48 ` Martin K. Petersen
2020-12-01  5:04 ` Martin K. Petersen

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