public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: James Seo <james@equiv.tech>
To: Sathya Prakash <sathya.prakash@broadcom.com>,
	Sreekanth Reddy <sreekanth.reddy@broadcom.com>,
	Suganath Prabu Subramani  <suganath-prabu.subramani@broadcom.com>
Cc: James Seo <james@equiv.tech>,
	"James E.J. Bottomley" <jejb@linux.ibm.com>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Kees Cook <keescook@chromium.org>,
	"Gustavo A. R. Silva" <gustavoars@kernel.org>,
	MPT-FusionLinux.pdl@broadcom.com, linux-scsi@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH 6/6] scsi: mpt3sas: Replace a dynamic allocation with a local variable
Date: Tue, 25 Jul 2023 09:13:31 -0700	[thread overview]
Message-ID: <20230725161331.27481-7-james@equiv.tech> (raw)
In-Reply-To: <20230725161331.27481-1-james@equiv.tech>

This dynamic allocation can be replaced with a local variable.

Signed-off-by: James Seo <james@equiv.tech>
---
 drivers/scsi/mpt3sas/mpt3sas_base.c | 19 +++++--------------
 1 file changed, 5 insertions(+), 14 deletions(-)

diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index cd6f36094159..a32a6fa728a7 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -5361,10 +5361,9 @@ _base_update_diag_trigger_pages(struct MPT3SAS_ADAPTER *ioc)
 static int _base_assign_fw_reported_qd(struct MPT3SAS_ADAPTER *ioc)
 {
 	Mpi2ConfigReply_t mpi_reply;
-	Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
+	Mpi2SasIOUnitPage1_t sas_iounit_pg1;
 	Mpi26PCIeIOUnitPage1_t pcie_iounit_pg1;
 	u16 depth;
-	int sz;
 	int rc = 0;
 
 	ioc->max_wideport_qd = MPT3SAS_SAS_QUEUE_DEPTH;
@@ -5374,28 +5373,21 @@ static int _base_assign_fw_reported_qd(struct MPT3SAS_ADAPTER *ioc)
 	if (!ioc->is_gen35_ioc)
 		goto out;
 	/* sas iounit page 1 */
-	sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData);
-	sas_iounit_pg1 = kzalloc(sizeof(Mpi2SasIOUnitPage1_t), GFP_KERNEL);
-	if (!sas_iounit_pg1) {
-		pr_err("%s: failure at %s:%d/%s()!\n",
-		    ioc->name, __FILE__, __LINE__, __func__);
-		return rc;
-	}
 	rc = mpt3sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
-	    sas_iounit_pg1, sz);
+	    &sas_iounit_pg1, sizeof(Mpi2SasIOUnitPage1_t));
 	if (rc) {
 		pr_err("%s: failure at %s:%d/%s()!\n",
 		    ioc->name, __FILE__, __LINE__, __func__);
 		goto out;
 	}
 
-	depth = le16_to_cpu(sas_iounit_pg1->SASWideMaxQueueDepth);
+	depth = le16_to_cpu(sas_iounit_pg1.SASWideMaxQueueDepth);
 	ioc->max_wideport_qd = (depth ? depth : MPT3SAS_SAS_QUEUE_DEPTH);
 
-	depth = le16_to_cpu(sas_iounit_pg1->SASNarrowMaxQueueDepth);
+	depth = le16_to_cpu(sas_iounit_pg1.SASNarrowMaxQueueDepth);
 	ioc->max_narrowport_qd = (depth ? depth : MPT3SAS_SAS_QUEUE_DEPTH);
 
-	depth = sas_iounit_pg1->SATAMaxQDepth;
+	depth = sas_iounit_pg1.SATAMaxQDepth;
 	ioc->max_sata_qd = (depth ? depth : MPT3SAS_SATA_QUEUE_DEPTH);
 
 	/* pcie iounit page 1 */
@@ -5414,7 +5406,6 @@ static int _base_assign_fw_reported_qd(struct MPT3SAS_ADAPTER *ioc)
 	    "MaxWidePortQD: 0x%x MaxNarrowPortQD: 0x%x MaxSataQD: 0x%x MaxNvmeQD: 0x%x\n",
 	    ioc->max_wideport_qd, ioc->max_narrowport_qd,
 	    ioc->max_sata_qd, ioc->max_nvme_qd));
-	kfree(sas_iounit_pg1);
 	return rc;
 }
 
-- 
2.39.2


  parent reply	other threads:[~2023-07-25 16:15 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-25 16:13 [PATCH 0/6] scsi: mpt3sas: Use flexible arrays and do a few cleanups James Seo
2023-07-25 16:13 ` [PATCH 1/6] scsi: mpt3sas: Use flexible arrays when obviously possible James Seo
2023-07-28 22:01   ` Kees Cook
2023-07-25 16:13 ` [PATCH 2/6] scsi: mpt3sas: Use flexible arrays when less " James Seo
2023-07-28 22:26   ` Kees Cook
2023-07-29  8:09     ` James Seo
2023-07-25 16:13 ` [PATCH 3/6] scsi: mpt3sas: Use struct_size() for struct size calculations James Seo
2023-07-25 16:13 ` [PATCH 4/6] scsi: mpt3sas: Fix an outdated comment James Seo
2023-07-28 22:27   ` Kees Cook
2023-07-25 16:13 ` [PATCH 5/6] scsi: mpt3sas: Fix typo of "TRIGGER" James Seo
2023-07-28 22:27   ` Kees Cook
2023-07-25 16:13 ` James Seo [this message]
2023-07-28 22:29   ` [PATCH 6/6] scsi: mpt3sas: Replace a dynamic allocation with a local variable Kees Cook
2023-07-29  8:35     ` James Seo

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20230725161331.27481-7-james@equiv.tech \
    --to=james@equiv.tech \
    --cc=MPT-FusionLinux.pdl@broadcom.com \
    --cc=gustavoars@kernel.org \
    --cc=jejb@linux.ibm.com \
    --cc=keescook@chromium.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-scsi@vger.kernel.org \
    --cc=martin.petersen@oracle.com \
    --cc=sathya.prakash@broadcom.com \
    --cc=sreekanth.reddy@broadcom.com \
    --cc=suganath-prabu.subramani@broadcom.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox