DPDK patches and discussions
 help / color / mirror / Atom feed
From: Chaoyong He <chaoyong.he@corigine.com>
To: dev@dpdk.org
Cc: oss-drivers@corigine.com, Chaoyong He <chaoyong.he@corigine.com>,
	stable@dpdk.org, Long Wu <long.wu@corigine.com>,
	Peng Zhang <peng.zhang@corigine.com>
Subject: [PATCH 2/5] vdpa/nfp: fix integer handling issues
Date: Wed, 15 Nov 2023 11:23:07 +0800	[thread overview]
Message-ID: <20231115032310.756221-3-chaoyong.he@corigine.com> (raw)
In-Reply-To: <20231115032310.756221-1-chaoyong.he@corigine.com>

CI found integer handling issues, overflow before widen.

Coverity issue: 405352
Fixes: 76ea5ebef08e ("vdpa/nfp: add notify related logic")
Cc: stable@dpdk.org

Signed-off-by: Chaoyong He <chaoyong.he@corigine.com>
Reviewed-by: Long Wu <long.wu@corigine.com>
Reviewed-by: Peng Zhang <peng.zhang@corigine.com>
---
 drivers/vdpa/nfp/nfp_vdpa_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/vdpa/nfp/nfp_vdpa_core.c b/drivers/vdpa/nfp/nfp_vdpa_core.c
index e2a6253ae5..7b877605e4 100644
--- a/drivers/vdpa/nfp/nfp_vdpa_core.c
+++ b/drivers/vdpa/nfp/nfp_vdpa_core.c
@@ -176,7 +176,7 @@ uint64_t
 nfp_vdpa_get_queue_notify_offset(struct nfp_vdpa_hw *vdpa_hw __rte_unused,
 		int qid)
 {
-	return NFP_VDPA_NOTIFY_ADDR_BASE + (qid * NFP_VDPA_NOTIFY_ADDR_INTERVAL);
+	return NFP_VDPA_NOTIFY_ADDR_BASE + ((uint64_t)qid * NFP_VDPA_NOTIFY_ADDR_INTERVAL);
 }
 
 /*
-- 
2.39.1


  parent reply	other threads:[~2023-11-15  3:23 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-15  3:23 [PATCH 0/5] fix coverity issues Chaoyong He
2023-11-15  3:23 ` [PATCH 1/5] vdpa/nfp: fix checking return value Chaoyong He
2023-11-15  3:23 ` Chaoyong He [this message]
2023-11-15  3:23 ` [PATCH 3/5] common/nfp: fix integer handling issues Chaoyong He
2023-11-22 11:50   ` Thomas Monjalon
2023-11-23  1:23     ` Chaoyong He
2023-11-23  2:08       ` Thomas Monjalon
2023-11-15  3:23 ` [PATCH 4/5] net/nfp: fix integer shift problem Chaoyong He
2023-11-15  3:23 ` [PATCH 5/5] net/nfp: fix null pointer dereferences Chaoyong He

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=20231115032310.756221-3-chaoyong.he@corigine.com \
    --to=chaoyong.he@corigine.com \
    --cc=dev@dpdk.org \
    --cc=long.wu@corigine.com \
    --cc=oss-drivers@corigine.com \
    --cc=peng.zhang@corigine.com \
    --cc=stable@dpdk.org \
    /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).