* [PATCH net v3 1/2] net: ethernet: mtk_ppe: add RCU lock around dev_fill_forward_path
@ 2025-08-14 1:25 Qingfang Deng
2025-08-19 9:40 ` patchwork-bot+netdevbpf
0 siblings, 1 reply; 2+ messages in thread
From: Qingfang Deng @ 2025-08-14 1:25 UTC (permalink / raw)
To: Felix Fietkau, Sean Wang, Lorenzo Bianconi, Andrew Lunn,
David S. Miller, Eric Dumazet, Jakub Kicinski, Paolo Abeni,
Matthias Brugger, AngeloGioacchino Del Regno, netdev,
linux-kernel, linux-arm-kernel, linux-mediatek
Cc: Kuniyuki Iwashima
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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH net v3 1/2] net: ethernet: mtk_ppe: add RCU lock around dev_fill_forward_path
2025-08-14 1:25 [PATCH net v3 1/2] net: ethernet: mtk_ppe: add RCU lock around dev_fill_forward_path Qingfang Deng
@ 2025-08-19 9:40 ` patchwork-bot+netdevbpf
0 siblings, 0 replies; 2+ messages in thread
From: patchwork-bot+netdevbpf @ 2025-08-19 9:40 UTC (permalink / raw)
To: Qingfang Deng
Cc: nbd, sean.wang, lorenzo, andrew+netdev, davem, edumazet, kuba,
pabeni, matthias.bgg, angelogioacchino.delregno, netdev,
linux-kernel, linux-arm-kernel, linux-mediatek, kuniyu
Hello:
This series was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:
On Thu, 14 Aug 2025 09:25:57 +0800 you wrote:
> 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(+)
Here is the summary with links:
- [net,v3,1/2] net: ethernet: mtk_ppe: add RCU lock around dev_fill_forward_path
https://git.kernel.org/netdev/net/c/62c30c544359
- [net,v3,2/2] ppp: fix race conditions in ppp_fill_forward_path
https://git.kernel.org/netdev/net/c/0417adf367a0
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
^ permalink raw reply [flat|nested] 2+ messages in thread
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2025-08-14 1:25 [PATCH net v3 1/2] net: ethernet: mtk_ppe: add RCU lock around dev_fill_forward_path Qingfang Deng
2025-08-19 9:40 ` patchwork-bot+netdevbpf
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