Commit eb4ad826 authored Aug 02, 2009 by Yevgeny Petrilin Committed by David S. Miller Aug 02, 2009

mlx4_en: Fix double pci unmapping.



In cases of fragmented skb, with the data pointers being wrapped around
the TX buffer, the completion handling code would not forward the data
pointer and the firs fragment was unmapped several times, while others
were not unmapped at all.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent b564afcf

drivers/net/mlx4/en_tx.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -249,6 +249,7 @@ static u32 mlx4_en_free_tx_desc(struct mlx4_en_priv *priv,
		pci_unmap_page(mdev->pdev,
		(dma_addr_t) be64_to_cpu(data->addr),
		frag->size, PCI_DMA_TODEVICE);
		++data;
		}
		}
		/* Stamp the freed descriptor */

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