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authorDavid S. Miller <davem@davemloft.net>2008-07-15 00:13:44 -0700
committerDavid S. Miller <davem@davemloft.net>2008-07-15 00:13:44 -0700
commite308a5d806c852f56590ffdd3834d0df0cbed8d7 (patch)
tree294ff654e90950f5162737c26f4799b0b710b748 /drivers/net/hamradio
parentf1f28aa3510ddb84c966bac65611bb866c77a092 (diff)
downloadop-kernel-dev-e308a5d806c852f56590ffdd3834d0df0cbed8d7.zip
op-kernel-dev-e308a5d806c852f56590ffdd3834d0df0cbed8d7.tar.gz
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')
-rw-r--r--drivers/net/hamradio/6pack.c2
-rw-r--r--drivers/net/hamradio/mkiss.c2
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index 06ad9f3..ffc937f 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;
diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index 6516603..b8740e6 100644
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -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;
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