From: Yevgeny Petrilin Date: Mon, 3 Aug 2009 03:22:18 +0000 (-0700) Subject: mlx4_en: Fix double pci unmapping. X-Git-Tag: 2.1b_release~11521^2~89 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=eb4ad826419ab5b1260bc1625249114767d36bea;p=platform%2Fkernel%2Fkernel-mfld-blackbay.git 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 Signed-off-by: David S. Miller --- 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 */