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e1000e: Use kmemdup rather than duplicating its implementation

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The semantic patch that makes this output is available
in scripts/coccinelle/api/memdup.cocci.

More information about semantic patching is available at
http://coccinelle.lip6.fr/

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: <jeffrey.e.pieper@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Bruce Allan 2011-01-05 07:10:38 +00:00 committed by Jeff Kirsher
parent 90da066925
commit 05b9321405
1 changed files with 2 additions and 9 deletions
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11
drivers/net/e1000e/ethtool.c
View File

@ -684,20 +684,13 @@ static int e1000_set_ringparam(struct net_device *netdev,
rx_old = adapter->rx_ring;
err = -ENOMEM;
tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
tx_ring = kmemdup(tx_old, sizeof(struct e1000_ring), GFP_KERNEL);
if (!tx_ring)
goto err_alloc_tx;
/*
* use a memcpy to save any previously configured
* items like napi structs from having to be
* reinitialized
*/
memcpy(tx_ring, tx_old, sizeof(struct e1000_ring));
rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL);
rx_ring = kmemdup(rx_old, sizeof(struct e1000_ring), GFP_KERNEL);
if (!rx_ring)
goto err_alloc_rx;
memcpy(rx_ring, rx_old, sizeof(struct e1000_ring));
adapter->tx_ring = tx_ring;
adapter->rx_ring = rx_ring;