Thread (2 messages) 2 messages, 2 authors, 1d ago
WARM1d

[PATCH net v2] net: ethernet: mtk_eth_soc: pass eth to mtk_handle_irq_rx in poll_controller

From: Chenguang Zhao <hidden>
Date: 2026-07-23 05:57:54
Also in: linux-arm-kernel, linux-mediatek
Subsystem: mediatek ethernet driver, networking drivers, the rest · Maintainers: Felix Fietkau, Lorenzo Bianconi, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

From: Chenguang Zhao <redacted>

mtk_handle_irq_rx expects a struct mtk_eth * (matching the request_irq
cookie), but mtk_poll_controller incorrectly passed the net_device *.
Calling ndo_poll_controller with CONFIG_NET_POLL_CONTROLLER enabled
would then crash.

Fixes: 8186f6e382d8 ("net-next: mediatek: fix compile error inside mtk_poll_controller()")
Signed-off-by: Chenguang Zhao <redacted>
---
v2:
 - Add SOB and Fixes tag.

v1:
 https://lore.kernel.org/all/20260717022339.301914-1-chenguang.zhao@linux.dev/ (local)

 drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 5d291e50a47b..351444fb4871 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -3467,7 +3467,7 @@ static void mtk_poll_controller(struct net_device *dev)
 
 	mtk_tx_irq_disable(eth, MTK_TX_DONE_INT);
 	mtk_rx_irq_disable(eth, eth->soc->rx.irq_done_mask);
-	mtk_handle_irq_rx(eth->irq[MTK_FE_IRQ_RX], dev);
+	mtk_handle_irq_rx(eth->irq[MTK_FE_IRQ_RX], eth);
 	mtk_tx_irq_enable(eth, MTK_TX_DONE_INT);
 	mtk_rx_irq_enable(eth, eth->soc->rx.irq_done_mask);
 }
-- 
2.25.1
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