summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
authorYevgeny Petrilin <yevgenyp@mellanox.co.il>2009-08-02 20:22:18 -0700
committerDavid S. Miller <davem@davemloft.net>2009-08-02 20:22:18 -0700
commiteb4ad826419ab5b1260bc1625249114767d36bea (patch)
tree456a5d1386cc8daf59377da886240048907c1949 /drivers
parentb564afcfb82fe3e63a7ce05a944eb5e11244d7cb (diff)
downloadop-kernel-dev-eb4ad826419ab5b1260bc1625249114767d36bea.zip
op-kernel-dev-eb4ad826419ab5b1260bc1625249114767d36bea.tar.gz
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/mlx4/en_tx.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c
index 08c43f2..5a88b3f5 100644
--- a/drivers/net/mlx4/en_tx.c
+++ b/drivers/net/mlx4/en_tx.c
@@ -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 */
OpenPOWER on IntegriCloud