dl2k: nulify fraginfo after unmap
Patch fixes: "DMA-API: device driver tries to free an invalid DMA memory address" warning reported here: https://bugzilla.redhat.com/show_bug.cgi?id=639824 Reported-by: Frantisek Hanzlik <franta@hanzlici.cz> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1753,8 +1753,6 @@ rio_close (struct net_device *dev)
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/* Free all the skbuffs in the queue. */
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for (i = 0; i < RX_RING_SIZE; i++) {
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np->rx_ring[i].status = 0;
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np->rx_ring[i].fraginfo = 0;
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skb = np->rx_skbuff[i];
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if (skb) {
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pci_unmap_single(np->pdev,
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@ -1763,6 +1761,8 @@ rio_close (struct net_device *dev)
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dev_kfree_skb (skb);
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np->rx_skbuff[i] = NULL;
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}
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np->rx_ring[i].status = 0;
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np->rx_ring[i].fraginfo = 0;
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}
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for (i = 0; i < TX_RING_SIZE; i++) {
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skb = np->tx_skbuff[i];
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