lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

netdev: Add netdev->addr_list_lock protection.

Browse Source 
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

4
net/mac80211/mlme.c
View File

@@ -3869,6 +3869,7 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw)
netif_tx_lock_bh(local->mdev);
netif_addr_lock(local->mdev);
local->filter_flags &= ~FIF_BCN_PRBRESP_PROMISC;
local->ops->configure_filter(local_to_hw(local),
FIF_BCN_PRBRESP_PROMISC,
@@ -3876,6 +3877,7 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw)
local->mdev->mc_count,
local->mdev->mc_list);
netif_addr_unlock(local->mdev);
netif_tx_unlock_bh(local->mdev);
rcu_read_lock();
@@ -4063,12 +4065,14 @@ static int ieee80211_sta_start_scan(struct net_device *dev,
local->scan_dev = dev;
netif_tx_lock_bh(local->mdev);
netif_addr_lock(local->mdev);
local->filter_flags |= FIF_BCN_PRBRESP_PROMISC;
local->ops->configure_filter(local_to_hw(local),
FIF_BCN_PRBRESP_PROMISC,
&local->filter_flags,
local->mdev->mc_count,
local->mdev->mc_list);
netif_addr_unlock(local->mdev);
netif_tx_unlock_bh(local->mdev);
/* TODO: start scan as soon as all nullfunc frames are ACKed */