From: dapengx.yu@intel.com
To: Beilei Xing <beilei.xing@intel.com>
Cc: dev@dpdk.org, Dapeng Yu <dapengx.yu@intel.com>, stable@dpdk.org
Subject: [dpdk-dev] [PATCH] net/i40e: fix using heap pointer after free
Date: Fri, 4 Jun 2021 10:02:01 +0800 [thread overview]
Message-ID: <20210604020201.2021442-1-dapengx.yu@intel.com> (raw)
From: Dapeng Yu <dapengx.yu@intel.com>
The original code use a heap pointer after it is freed.
Fixes: 460d1679586e ("drivers/net: delete HW rings while freeing queues")
Cc: stable@dpdk.org
Signed-off-by: Dapeng Yu <dapengx.yu@intel.com>
---
drivers/net/i40e/i40e_fdir.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/i40e/i40e_fdir.c b/drivers/net/i40e/i40e_fdir.c
index ac0e09bfdd..3983122af7 100644
--- a/drivers/net/i40e/i40e_fdir.c
+++ b/drivers/net/i40e/i40e_fdir.c
@@ -301,11 +301,11 @@ i40e_fdir_teardown(struct i40e_pf *pf)
if (err)
PMD_DRV_LOG(DEBUG, "Failed to do FDIR RX switch off");
- i40e_dev_rx_queue_release(pf->fdir.rxq);
rte_eth_dma_zone_free(dev, "fdir_rx_ring", pf->fdir.rxq->queue_id);
+ i40e_dev_rx_queue_release(pf->fdir.rxq);
pf->fdir.rxq = NULL;
- i40e_dev_tx_queue_release(pf->fdir.txq);
rte_eth_dma_zone_free(dev, "fdir_tx_ring", pf->fdir.txq->queue_id);
+ i40e_dev_tx_queue_release(pf->fdir.txq);
pf->fdir.txq = NULL;
i40e_vsi_release(vsi);
pf->fdir.fdir_vsi = NULL;
--
2.27.0
next reply other threads:[~2021-06-04 2:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-04 2:02 dapengx.yu [this message]
2021-06-07 0:46 ` Zhang, Qi Z
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=20210604020201.2021442-1-dapengx.yu@intel.com \
--to=dapengx.yu@intel.com \
--cc=beilei.xing@intel.com \
--cc=dev@dpdk.org \
--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).