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netdev: Add netdev->addr_list_lock protection.

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Add netif_addr_{lock,unlock}{,_bh}() helpers.

Use them to protect operations that operate on or read
the network device unicast and multicast address lists.

Also use them in cases where the code simply wants to
block calls into the driver's ->set_rx_mode() and
->set_multicast_list() methods.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2008-07-15 00:13:44 -07:00
parent f1f28aa351
commit e308a5d806
14 changed files with 94 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/net/hamradio/6pack.c
+2
View File
@@ -300,7 +300,9 @@ static int sp_set_mac_address(struct net_device *dev, void *addr)
struct sockaddr_ax25 *sa = addr;
netif_tx_lock_bh(dev);
netif_addr_lock(dev);
memcpy(dev->dev_addr, &sa->sax25_call, AX25_ADDR_LEN);
netif_addr_unlock(dev);
netif_tx_unlock_bh(dev);
return 0;
drivers/net/hamradio/mkiss.c
+2
View File
@@ -356,7 +356,9 @@ static int ax_set_mac_address(struct net_device *dev, void *addr)
struct sockaddr_ax25 *sa = addr;
netif_tx_lock_bh(dev);
netif_addr_lock(dev);
memcpy(dev->dev_addr, &sa->sax25_call, AX25_ADDR_LEN);
netif_addr_unlock(dev);
netif_tx_unlock_bh(dev);
return 0;