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Commit 59af56c2 authored by Brian King's avatar Brian King Committed by David S. Miller
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ibmvnic: Unmap longer term buffer before free 



Make sure we unregister long term buffers from the adapter
prior to DMA unmapping it and freeing the buffer. Failure
to do so could result in a DMA to a now invalid address.

Signed-off-by: default avatarBrian King <brking@linux.vnet.ibm.com>
Signed-off-by: default avatarNathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 993a82b0

drivers/net/ethernet/ibm/ibmvnic.c

+1 −1
Original line number Diff line number Diff line
@@ -193,9 +193,9 @@ static void free_long_term_buff(struct ibmvnic_adapter *adapter, 
	if (!ltb->buff)

		return;



	dma_free_coherent(dev, ltb->size, ltb->buff, ltb->addr);

	if (!adapter->failover)

		send_request_unmap(adapter, ltb->map_id);

	dma_free_coherent(dev, ltb->size, ltb->buff, ltb->addr);

}



static void replenish_rx_pool(struct ibmvnic_adapter *adapter,