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authorDavid S. Miller <davem@davemloft.net>2008-07-15 11:13:44 +0400
committerDavid S. Miller <davem@davemloft.net>2008-07-15 11:13:44 +0400
commite308a5d806c852f56590ffdd3834d0df0cbed8d7 (patch)
tree294ff654e90950f5162737c26f4799b0b710b748 /drivers/net/hamradio/6pack.c
parentf1f28aa3510ddb84c966bac65611bb866c77a092 (diff)
downloadlinux-e308a5d806c852f56590ffdd3834d0df0cbed8d7.tar.xz
netdev: Add netdev->addr_list_lock protection.
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>
Diffstat (limited to 'drivers/net/hamradio/6pack.c')
-rw-r--r--drivers/net/hamradio/6pack.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index 06ad9f302b5a..ffc937f5d15d 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -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;