[PATCH net] net: mtk: wed: Fix dma_free_coherent() size mtk_wed_hwrro_free_buffer()
From: Thomas Fourier <hidden>
Date: 2026-02-09 15:19:40
Also in:
linux-arm-kernel, linux-mediatek, lkml, stable
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
The DMA buffer alloc'd in mtk_wed_hwrro_buffer_alloc() with size
dev->wlan.rx_nbuf but is freed with size dev->hw_rro.size.
Change the dealloc size to match the one used in
mtk_wed_hwrro_buffer_alloc().
Fixes: 6757d345dd7d ("net: ethernet: mtk_wed: introduce hw_rro support for MT7988")
Cc: <redacted>
Signed-off-by: Thomas Fourier <redacted>
---
drivers/net/ethernet/mediatek/mtk_wed.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mediatek/mtk_wed.c b/drivers/net/ethernet/mediatek/mtk_wed.c
index 1ed1f88dd7f8..455df564174d 100644
--- a/drivers/net/ethernet/mediatek/mtk_wed.c
+++ b/drivers/net/ethernet/mediatek/mtk_wed.c@@ -879,7 +879,7 @@ mtk_wed_hwrro_free_buffer(struct mtk_wed_device *dev) __free_page(page); } - dma_free_coherent(dev->hw->dev, dev->hw_rro.size * sizeof(*desc), + dma_free_coherent(dev->hw->dev, dev->wlan.rx_nbuf * sizeof(*desc), desc, dev->hw_rro.desc_phys); free_pagelist:
--
2.43.0