forked from luck/tmp_suning_uos_patched
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>
This commit is contained in:
parent
b564afcfb8
commit
eb4ad82641
@ -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 */
|
||||
|
Loading…
Reference in New Issue
Block a user