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net: ethernet: mtk-star-emac: fix wrong unmap in RX handling
commit 95b39f0 upstream. mtk_star_dma_unmap_rx() should unmap the dma_addr of old skb rather than that of new skb. Assign new_dma_addr to desc_data.dma_addr after all handling of old skb ends to avoid unexpected receive side error. Fixes: f96e964 ("net: ethernet: mtk-star-emac: fix error path in RX handling") Signed-off-by: Biao Huang <biao.huang@mediatek.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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