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authorDavid S. Miller <davem@davemloft.net>2008-07-15 00:15:08 -0700
committerDavid S. Miller <davem@davemloft.net>2008-07-15 00:15:08 -0700
commitb9e40857682ecfc5bcd0356a23ff409883ffb982 (patch)
treed241fd289bed6d16f36f6d26815c1e78e212c89a /net/mac80211
parente308a5d806c852f56590ffdd3834d0df0cbed8d7 (diff)
downloadlinux-b9e40857682ecfc5bcd0356a23ff409883ffb982.tar.gz
netdev: Do not use TX lock to protect address lists.
Now that we have a specific lock to protect the network
device unicast and multicast lists, remove extraneous
grabs of the TX lock in cases where the code only needs
address list protection.

Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/main.c12
-rw-r--r--net/mac80211/mlme.c6
2 files changed, 6 insertions, 12 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 095b7d928d64..af0056e7e5b3 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -291,11 +291,9 @@ static int ieee80211_open(struct net_device *dev)
 		if (sdata->u.mntr_flags & MONITOR_FLAG_OTHER_BSS)
 			local->fif_other_bss++;
 
-		netif_tx_lock_bh(local->mdev);
-		netif_addr_lock(local->mdev);
+		netif_addr_lock_bh(local->mdev);
 		ieee80211_configure_filter(local);
-		netif_addr_unlock(local->mdev);
-		netif_tx_unlock_bh(local->mdev);
+		netif_addr_unlock_bh(local->mdev);
 		break;
 	case IEEE80211_IF_TYPE_STA:
 	case IEEE80211_IF_TYPE_IBSS:
@@ -492,11 +490,9 @@ static int ieee80211_stop(struct net_device *dev)
 		if (sdata->u.mntr_flags & MONITOR_FLAG_OTHER_BSS)
 			local->fif_other_bss--;
 
-		netif_tx_lock_bh(local->mdev);
-		netif_addr_lock(local->mdev);
+		netif_addr_lock_bh(local->mdev);
 		ieee80211_configure_filter(local);
-		netif_addr_unlock(local->mdev);
-		netif_tx_unlock_bh(local->mdev);
+		netif_addr_unlock_bh(local->mdev);
 		break;
 	case IEEE80211_IF_TYPE_MESH_POINT:
 	case IEEE80211_IF_TYPE_STA:
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 1232ba25e1e9..d7c371e36bf0 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -4064,16 +4064,14 @@ static int ieee80211_sta_start_scan(struct net_device *dev,
 	local->scan_band = IEEE80211_BAND_2GHZ;
 	local->scan_dev = dev;
 
-	netif_tx_lock_bh(local->mdev);
-	netif_addr_lock(local->mdev);
+	netif_addr_lock_bh(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);
+	netif_addr_unlock_bh(local->mdev);
 
 	/* TODO: start scan as soon as all nullfunc frames are ACKed */
 	queue_delayed_work(local->hw.workqueue, &local->scan_work,