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| author |   Brian King <brking@linux.vnet.ibm.com> | 2017-04-19 13:44:41 -0400 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-04-21 13:33:52 -0400 |
| commit | 59af56c25bc34d4e98820c694d48fd5145fb6e4f (patch) | |
| tree | 30a4279d483aeb7ae4af50ca487516703a12d2c8 | |
| parent | ibmvnic: Fix ibmvnic_change_mac_addr struct format (diff) | |
| download | linux-dev-59af56c25bc34d4e98820c694d48fd5145fb6e4f.tar.xz linux-dev-59af56c25bc34d4e98820c694d48fd5145fb6e4f.zip | |
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: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/ibm/ibmvnic.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 625896de25f7..c10bae7823e0 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -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, |