[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <Y82L/iFjguJwuPC1@ubun2204.myguest.virtualbox.org>
Date: Mon, 23 Jan 2023 00:48:22 +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] scsi: qla2xxx: Use a variable for repeated mem_size
computation
On Mon, Jan 09, 2023 at 02:08:24AM +0530, Deepak R Varma wrote:
> Use a variable to upfront compute memory size to be allocated, instead of
> repeatedly computing the memory size at different instructions. The reduced
> instruction length also allows to tidy up the code. Issue identified using
> the array_size_dup Coccinelle semantic patch.
>
> Signed-off-by: Deepak R Varma <drv@...lo.com>
> ---
Hello,
May I request a review and feedback comments on this patch proposal?
Thank you,
./drv
> drivers/scsi/qla2xxx/tcm_qla2xxx.c | 13 ++++++-------
> 1 file changed, 6 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
> index 8fa0056b56dd..8024322c9c5a 100644
> --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
> +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
> @@ -1552,6 +1552,7 @@ static const struct qla_tgt_func_tmpl tcm_qla2xxx_template = {
> static int tcm_qla2xxx_init_lport(struct tcm_qla2xxx_lport *lport)
> {
> int rc;
> + size_t map_sz;
>
> rc = btree_init32(&lport->lport_fcport_map);
> if (rc) {
> @@ -1559,17 +1560,15 @@ static int tcm_qla2xxx_init_lport(struct tcm_qla2xxx_lport *lport)
> return rc;
> }
>
> - lport->lport_loopid_map =
> - vzalloc(array_size(65536,
> - sizeof(struct tcm_qla2xxx_fc_loopid)));
> + map_sz = array_size(65536, sizeof(struct tcm_qla2xxx_fc_loopid));
> +
> + lport->lport_loopid_map = vzalloc(map_sz);
> if (!lport->lport_loopid_map) {
> - pr_err("Unable to allocate lport->lport_loopid_map of %zu bytes\n",
> - sizeof(struct tcm_qla2xxx_fc_loopid) * 65536);
> + pr_err("Unable to allocate lport->lport_loopid_map of %zu bytes\n", map_sz);
> btree_destroy32(&lport->lport_fcport_map);
> return -ENOMEM;
> }
> - pr_debug("qla2xxx: Allocated lport_loopid_map of %zu bytes\n",
> - sizeof(struct tcm_qla2xxx_fc_loopid) * 65536);
> + pr_debug("qla2xxx: Allocated lport_loopid_map of %zu bytes\n", map_sz);
> return 0;
> }
>
> --
> 2.34.1
>
>
>
Powered by blists - more mailing lists