diff options
| -rw-r--r-- | drivers/net/e1000/e1000_ethtool.c | 38 |
1 files changed, 17 insertions, 21 deletions
diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c index 2cc949a34451..778ede3c0216 100644 --- a/drivers/net/e1000/e1000_ethtool.c +++ b/drivers/net/e1000/e1000_ethtool.c @@ -646,8 +646,8 @@ e1000_set_ringparam(struct net_device *netdev, { struct e1000_adapter *adapter = netdev_priv(netdev); e1000_mac_type mac_type = adapter->hw.mac_type; - struct e1000_tx_ring *txdr, *tx_old, *tx_new; - struct e1000_rx_ring *rxdr, *rx_old, *rx_new; + struct e1000_tx_ring *txdr, *tx_old; + struct e1000_rx_ring *rxdr, *rx_old; int i, err, tx_ring_size, rx_ring_size; if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) @@ -665,23 +665,17 @@ e1000_set_ringparam(struct net_device *netdev, tx_old = adapter->tx_ring; rx_old = adapter->rx_ring; - adapter->tx_ring = kmalloc(tx_ring_size, GFP_KERNEL); - if (!adapter->tx_ring) { - err = -ENOMEM; - goto err_setup_rx; - } - memset(adapter->tx_ring, 0, tx_ring_size); + err = -ENOMEM; + txdr = kzalloc(tx_ring_size, GFP_KERNEL); + if (!txdr) + goto err_alloc_tx; - adapter->rx_ring = kmalloc(rx_ring_size, GFP_KERNEL); - if (!adapter->rx_ring) { - kfree(adapter->tx_ring); - err = -ENOMEM; - goto err_setup_rx; - } - memset(adapter->rx_ring, 0, rx_ring_size); + rxdr = kzalloc(rx_ring_size, GFP_KERNEL); + if (!rxdr) + goto err_alloc_rx; - txdr = adapter->tx_ring; - rxdr = adapter->rx_ring; + adapter->tx_ring = txdr; + adapter->rx_ring = rxdr; rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD); rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ? @@ -708,16 +702,14 @@ e1000_set_ringparam(struct net_device *netdev, /* save the new, restore the old in order to free it, * then restore the new back again */ - rx_new = adapter->rx_ring; - tx_new = adapter->tx_ring; adapter->rx_ring = rx_old; adapter->tx_ring = tx_old; e1000_free_all_rx_resources(adapter); e1000_free_all_tx_resources(adapter); kfree(tx_old); kfree(rx_old); - adapter->rx_ring = rx_new; - adapter->tx_ring = tx_new; + adapter->rx_ring = rxdr; + adapter->tx_ring = txdr; if ((err = e1000_up(adapter))) goto err_setup; } @@ -729,6 +721,10 @@ err_setup_tx: err_setup_rx: adapter->rx_ring = rx_old; adapter->tx_ring = tx_old; + kfree(rxdr); +err_alloc_rx: + kfree(txdr); +err_alloc_tx: e1000_up(adapter); err_setup: clear_bit(__E1000_RESETTING, &adapter->flags); |