DPDK patches and discussions
 help / color / mirror / Atom feed
From: Nithin Dabilpuram <ndabilpuram@marvell.com>
To: Nithin Dabilpuram <ndabilpuram@marvell.com>,
	Kiran Kumar K <kirankumark@marvell.com>,
	Sunil Kumar Kori <skori@marvell.com>,
	Satha Rao <skoteshwar@marvell.com>,
	Harman Kalra <hkalra@marvell.com>
Cc: <jerinj@marvell.com>, <dev@dpdk.org>,
	Rakesh Kudurumalla <rkudurumalla@marvell.com>
Subject: [PATCH 15/19] common/cnxk: resolve klocwork issues
Date: Mon, 1 Sep 2025 13:00:31 +0530	[thread overview]
Message-ID: <20250901073036.1381560-15-ndabilpuram@marvell.com> (raw)
In-Reply-To: <20250901073036.1381560-1-ndabilpuram@marvell.com>

From: Rakesh Kudurumalla <rkudurumalla@marvell.com>

Fix klockwork for NULL pointer dereference

Signed-off-by: Rakesh Kudurumalla <rkudurumalla@marvell.com>
---
 drivers/common/cnxk/roc_nix_queue.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/common/cnxk/roc_nix_queue.c b/drivers/common/cnxk/roc_nix_queue.c
index 3f11aa89fc..6e4079302b 100644
--- a/drivers/common/cnxk/roc_nix_queue.c
+++ b/drivers/common/cnxk/roc_nix_queue.c
@@ -112,6 +112,11 @@ roc_nix_sq_ena_dis(struct roc_nix_sq *sq, bool enable)
 {
 	int rc = 0;
 
+	if (!sq) {
+		rc = NIX_ERR_PARAM;
+		goto done;
+	}
+
 	rc = roc_nix_tm_sq_aura_fc(sq, enable);
 	if (rc)
 		goto done;
@@ -2163,9 +2168,9 @@ nix_sqb_mem_dyn_free(uint64_t aura_handle, uint16_t count)
 int
 roc_nix_sq_fini(struct roc_nix_sq *sq)
 {
-	struct roc_nix *roc_nix = sq->roc_nix;
-	bool sq_resize_ena = roc_nix->sq_resize_ena;
 	struct ndc_sync_op *ndc_req;
+	struct roc_nix *roc_nix;
+	bool sq_resize_ena;
 	struct mbox *mbox;
 	struct nix *nix;
 	uint16_t qid;
@@ -2174,6 +2179,9 @@ roc_nix_sq_fini(struct roc_nix_sq *sq)
 	if (sq == NULL)
 		return NIX_ERR_PARAM;
 
+	roc_nix = sq->roc_nix;
+	sq_resize_ena = roc_nix->sq_resize_ena;
+
 	nix = roc_nix_to_nix_priv(roc_nix);
 	mbox = (&nix->dev)->mbox;
 
@@ -2228,7 +2236,7 @@ sqb_aura_dyn_expand(struct roc_nix_sq *sq, uint16_t count)
 	int i;
 
 	blk_sz = nix->sqb_size;
-	sqbs = calloc(1, count * sizeof(uint64_t *));
+	sqbs = calloc(1, count * sizeof(uint64_t));
 	if (!sqbs)
 		return -ENOMEM;
 
@@ -2300,7 +2308,7 @@ sqb_aura_dyn_contract(struct roc_nix_sq *sq, uint16_t count)
 	cycles = (timeout * 10 * plt_tsc_hz()) / (uint64_t)1E6;
 	cycles += plt_tsc_cycles();
 
-	sqbs = calloc(1, count * sizeof(uint64_t *));
+	sqbs = calloc(1, count * sizeof(uint64_t));
 	if (!sqbs)
 		return -ENOMEM;
 
-- 
2.34.1


  parent reply	other threads:[~2025-09-01  7:33 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-01  7:30 [PATCH 01/19] common/cnxk: add new TM tree for SDP interface Nithin Dabilpuram
2025-09-01  7:30 ` [PATCH 02/19] net/cnxk: new " Nithin Dabilpuram
2025-09-01  7:30 ` [PATCH 03/19] net/cnxk: disable CQ when SQ stopped Nithin Dabilpuram
2025-09-01  7:30 ` [PATCH 04/19] net/cnxk: update scatter check as warning for SDP Nithin Dabilpuram
2025-09-01  7:30 ` [PATCH 05/19] common/cnxk: fix inline device API Nithin Dabilpuram
2025-09-01  7:30 ` [PATCH 06/19] common/cnxk: add new mailbox to configure LSO alt flags Nithin Dabilpuram
2025-09-01  7:30 ` [PATCH 07/19] common/cnxk: add IPv4 fragmentation offload Nithin Dabilpuram
2025-09-01  7:30 ` [PATCH 08/19] common/cnxk: update DF flag in IPv4 fragments Nithin Dabilpuram
2025-09-01  7:30 ` [PATCH 09/19] common/cnxk: add support for per packet SQ count update Nithin Dabilpuram
2025-09-01  7:30 ` [PATCH 10/19] common/cnxk: feature fn to check 16B alignment Nithin Dabilpuram
2025-09-01  7:30 ` [PATCH 11/19] common/cnxk: add API to configure backpressure on pool Nithin Dabilpuram
2025-09-01  7:30 ` [PATCH 12/19] common/cnxk: fix max number of SQB bufs in clean up Nithin Dabilpuram
2025-09-01  7:30 ` [PATCH 13/19] common/cnxk: add support for SQ resize Nithin Dabilpuram
2025-09-01  7:30 ` [PATCH 14/19] common/cnxk: increase Tx schedular count Nithin Dabilpuram
2025-09-01  7:30 ` Nithin Dabilpuram [this message]
2025-09-01  7:30 ` [PATCH 16/19] common/cnxk: avoid null SQ access Nithin Dabilpuram
2025-09-01  7:30 ` [PATCH 17/19] common/cnxk: change in aura field width Nithin Dabilpuram
2025-09-01  7:30 ` [PATCH 18/19] common/cnxk: fix error handling on inline inbound setup Nithin Dabilpuram
2025-09-01  7:30 ` [PATCH 19/19] drivers: fix Klocwork issues Nithin Dabilpuram

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=20250901073036.1381560-15-ndabilpuram@marvell.com \
    --to=ndabilpuram@marvell.com \
    --cc=dev@dpdk.org \
    --cc=hkalra@marvell.com \
    --cc=jerinj@marvell.com \
    --cc=kirankumark@marvell.com \
    --cc=rkudurumalla@marvell.com \
    --cc=skori@marvell.com \
    --cc=skoteshwar@marvell.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;
as well as URLs for NNTP newsgroup(s).