From: Qingfang Deng <dqfext@gmail.com>
To: Felix Fietkau <nbd@nbd.name>, Sean Wang <sean.wang@mediatek.com>,
Lorenzo Bianconi <lorenzo@kernel.org>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org
Cc: Kuniyuki Iwashima <kuniyu@google.com>
Subject: [PATCH net v3 1/2] net: ethernet: mtk_ppe: add RCU lock around dev_fill_forward_path
Date: Thu, 14 Aug 2025 09:25:57 +0800 [thread overview]
Message-ID: <20250814012559.3705-1-dqfext@gmail.com> (raw)
Ensure ndo_fill_forward_path() is called with RCU lock held.
Fixes: 2830e314778d ("net: ethernet: mtk-ppe: fix traffic offload with bridged wlan")
Signed-off-by: Qingfang Deng <dqfext@gmail.com>
---
v3:
Reorder the patch to be first.
v2:
New patch
drivers/net/ethernet/mediatek/mtk_ppe_offload.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
index c855fb799ce1..e9bd32741983 100644
--- a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
+++ b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
@@ -101,7 +101,9 @@ mtk_flow_get_wdma_info(struct net_device *dev, const u8 *addr, struct mtk_wdma_i
if (!IS_ENABLED(CONFIG_NET_MEDIATEK_SOC_WED))
return -1;
+ rcu_read_lock();
err = dev_fill_forward_path(dev, addr, &stack);
+ rcu_read_unlock();
if (err)
return err;
--
2.43.0
next reply other threads:[~2025-08-14 1:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-14 1:25 Qingfang Deng [this message]
2025-08-14 1:25 ` [PATCH net v3 2/2] ppp: fix race conditions in ppp_fill_forward_path Qingfang Deng
2025-08-19 9:40 ` [PATCH net v3 1/2] net: ethernet: mtk_ppe: add RCU lock around dev_fill_forward_path patchwork-bot+netdevbpf
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=20250814012559.3705-1-dqfext@gmail.com \
--to=dqfext@gmail.com \
--cc=andrew+netdev@lunn.ch \
--cc=angelogioacchino.delregno@collabora.com \
--cc=davem@davemloft.net \
--cc=edumazet@google.com \
--cc=kuba@kernel.org \
--cc=kuniyu@google.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=lorenzo@kernel.org \
--cc=matthias.bgg@gmail.com \
--cc=nbd@nbd.name \
--cc=netdev@vger.kernel.org \
--cc=pabeni@redhat.com \
--cc=sean.wang@mediatek.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
all inboxes | Powered by JetHome®