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 1:29 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
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