1 files changed, 4 insertions, 4 deletions

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index dc128b412eab..2a1a7d457136 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -306,7 +306,7 @@ static void purge_old_ps_buffers(struct ieee80211_local *local)
         }
         read_unlock(&local->sub_if_lock);
 
-        spin_lock_bh(&local->sta_lock);
+        read_lock_bh(&local->sta_lock);
         list_for_each_entry(sta, &local->sta_list, list) {
                 skb = skb_dequeue(&sta->ps_tx_buf);
                 if (skb) {
@@ -315,7 +315,7 @@ static void purge_old_ps_buffers(struct ieee80211_local *local)
                 }
                 total += skb_queue_len(&sta->ps_tx_buf);
         }
-        spin_unlock_bh(&local->sta_lock);
+        read_unlock_bh(&local->sta_lock);
 
         local->total_ps_buffered = total;
         printk(KERN_DEBUG "%s: PS buffers full - purged %d frames\n",
@@ -1629,7 +1629,7 @@ static void ieee80211_beacon_add_tim(struct ieee80211_local *local,
 
         /* Generate bitmap for TIM only if there are any STAs in power save
          * mode. */
-        spin_lock_bh(&local->sta_lock);
+        read_lock_bh(&local->sta_lock);
         if (atomic_read(&bss->num_sta_ps) > 0)
                 /* in the hope that this is faster than
                  * checking byte-for-byte */
@@ -1680,7 +1680,7 @@ static void ieee80211_beacon_add_tim(struct ieee80211_local *local,
                 *pos++ = aid0; /* Bitmap control */
                 *pos++ = 0; /* Part Virt Bitmap */
         }
-        spin_unlock_bh(&local->sta_lock);
+        read_unlock_bh(&local->sta_lock);
 }
 
 struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, int if_id,