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| author | Alexander Duyck <alexander.h.duyck@intel.com> | 2009-10-26 11:32:05 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-10-26 16:08:59 -0700 |
| commit | 759884b4d4cbafcd3f222b29cd6e0c2cbc542d2b (patch) | |
| tree | 375237b759be1de660aa3b0a1d4a299d49bf2283 /drivers/net | |
| parent | 6d9f4fc420571ab67c962ef0d94449127218f66e (diff) | |
| download | linux-stable-759884b4d4cbafcd3f222b29cd6e0c2cbc542d2b.tar.gz linux-stable-759884b4d4cbafcd3f222b29cd6e0c2cbc542d2b.tar.bz2 linux-stable-759884b4d4cbafcd3f222b29cd6e0c2cbc542d2b.zip | |
ixgbe: fix memory leak when resizing rings while interface is down
This patch resolves a memory leak that occurs when you resize the rings via
the ethtool -G option while the interface is down.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_ethtool.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c index fa314cb005a4..856c18c207f3 100644 --- a/drivers/net/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ixgbe/ixgbe_ethtool.c @@ -798,7 +798,7 @@ static int ixgbe_set_ringparam(struct net_device *netdev, { struct ixgbe_adapter *adapter = netdev_priv(netdev); struct ixgbe_ring *temp_tx_ring, *temp_rx_ring; - int i, err; + int i, err = 0; u32 new_rx_count, new_tx_count; bool need_update = false; @@ -822,6 +822,16 @@ static int ixgbe_set_ringparam(struct net_device *netdev, while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state)) msleep(1); + if (!netif_running(adapter->netdev)) { + for (i = 0; i < adapter->num_tx_queues; i++) + adapter->tx_ring[i].count = new_tx_count; + for (i = 0; i < adapter->num_rx_queues; i++) + adapter->rx_ring[i].count = new_rx_count; + adapter->tx_ring_count = new_tx_count; + adapter->rx_ring_count = new_rx_count; + goto err_setup; + } + temp_tx_ring = kcalloc(adapter->num_tx_queues, sizeof(struct ixgbe_ring), GFP_KERNEL); if (!temp_tx_ring) { @@ -879,8 +889,7 @@ static int ixgbe_set_ringparam(struct net_device *netdev, /* if rings need to be updated, here's the place to do it in one shot */ if (need_update) { - if (netif_running(netdev)) - ixgbe_down(adapter); + ixgbe_down(adapter); /* tx */ if (new_tx_count != adapter->tx_ring_count) { @@ -897,13 +906,8 @@ static int ixgbe_set_ringparam(struct net_device *netdev, temp_rx_ring = NULL; adapter->rx_ring_count = new_rx_count; } - } - - /* success! */ - err = 0; - if (netif_running(netdev)) ixgbe_up(adapter); - + } err_setup: clear_bit(__IXGBE_RESETTING, &adapter->state); return err; |