diff options
| author | Antoine Tenart <antoine.tenart@free-electrons.com> | 2017-12-11 11:13:25 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-12-13 19:16:50 +0300 |
| commit | b70d4a5195c7193d1d55af791d9811477522e25a (patch) | |
| tree | eb553d801922388dcc8f86d42cc2ad004d81f30f /drivers | |
| parent | 48d79b49e16831e613b67dccd4c7886081161656 (diff) | |
| download | linux-b70d4a5195c7193d1d55af791d9811477522e25a.tar.xz | |
net: mvpp2: only free the TSO header buffers when it was allocated
This patch adds a check to only free the TSO header buffer when its
allocation previously succeeded.
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/marvell/mvpp2.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c index 634b2f41cc9e..f203f0857596 100644 --- a/drivers/net/ethernet/marvell/mvpp2.c +++ b/drivers/net/ethernet/marvell/mvpp2.c @@ -5802,6 +5802,7 @@ static int mvpp2_txq_init(struct mvpp2_port *port, txq_pcpu->reserved_num = 0; txq_pcpu->txq_put_index = 0; txq_pcpu->txq_get_index = 0; + txq_pcpu->tso_headers = NULL; txq_pcpu->stop_threshold = txq->size - MVPP2_MAX_SKB_DESCS; txq_pcpu->wake_threshold = txq_pcpu->stop_threshold / 2; @@ -5829,10 +5830,13 @@ static void mvpp2_txq_deinit(struct mvpp2_port *port, txq_pcpu = per_cpu_ptr(txq->pcpu, cpu); kfree(txq_pcpu->buffs); - dma_free_coherent(port->dev->dev.parent, - txq_pcpu->size * TSO_HEADER_SIZE, - txq_pcpu->tso_headers, - txq_pcpu->tso_headers_dma); + if (txq_pcpu->tso_headers) + dma_free_coherent(port->dev->dev.parent, + txq_pcpu->size * TSO_HEADER_SIZE, + txq_pcpu->tso_headers, + txq_pcpu->tso_headers_dma); + + txq_pcpu->tso_headers = NULL; } if (txq->descs) |