ramips: raeth: unmap rx DMA address in ramips_cleanup_dma

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30446 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/ramips/files/drivers/net/ramips.c b/target/linux/ramips/files/drivers/net/ramips.c
index c9eecc2..e44e6b6 100644 (file)
--- a/target/linux/ramips/files/drivers/net/ramips.c
+++ b/target/linux/ramips/files/drivers/net/ramips.c
@@ -128,8 +128,11 @@ ramips_cleanup_dma(struct raeth_priv *re)
        int i;
 
        for (i = 0; i < NUM_RX_DESC; i++)
-               if (re->rx_skb[i])
+               if (re->rx_skb[i]) {
+                       dma_unmap_single(NULL, re->rx_dma[i], MAX_RX_LENGTH,
+                                        DMA_FROM_DEVICE);
                        dev_kfree_skb_any(re->rx_skb[i]);
+               }
 
        if (re->rx)
                dma_free_coherent(NULL,