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Commit 787adb9d authored by Dotan Barak's avatar Dotan Barak Committed by Roland Dreier
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IPoIB: Use the right function to do DMA unmap pages 



Pages that were mapped using ib_dma_map_page() should be unmapped
using ib_dma_unmap_page().

Signed-off-by: default avatarDotan Barak <dotanb@dev.mellanox.co.il>
Reviewed-by: default avatarJack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: default avatarRoland Dreier <roland@purestorage.com>
parent 976d1676

drivers/infiniband/ulp/ipoib/ipoib_cm.c

+2 −2
Original line number Diff line number Diff line
@@ -84,7 +84,7 @@ static void ipoib_cm_dma_unmap_rx(struct ipoib_dev_priv *priv, int frags, 
	ib_dma_unmap_single(priv->ca, mapping[0], IPOIB_CM_HEAD_SIZE, DMA_FROM_DEVICE);



	for (i = 0; i < frags; ++i)

		ib_dma_unmap_single(priv->ca, mapping[i + 1], PAGE_SIZE, DMA_FROM_DEVICE);

		ib_dma_unmap_page(priv->ca, mapping[i + 1], PAGE_SIZE, DMA_FROM_DEVICE);

}



static int ipoib_cm_post_receive_srq(struct net_device *dev, int id)
@@ -183,7 +183,7 @@ static struct sk_buff *ipoib_cm_alloc_rx_skb(struct net_device *dev, 
	ib_dma_unmap_single(priv->ca, mapping[0], IPOIB_CM_HEAD_SIZE, DMA_FROM_DEVICE);



	for (; i > 0; --i)

		ib_dma_unmap_single(priv->ca, mapping[i], PAGE_SIZE, DMA_FROM_DEVICE);

		ib_dma_unmap_page(priv->ca, mapping[i], PAGE_SIZE, DMA_FROM_DEVICE);



	dev_kfree_skb_any(skb);

	return NULL;