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authorJiri Kosina <jkosina@suse.cz>2014-11-20 16:42:02 +0300
committerJiri Kosina <jkosina@suse.cz>2014-11-20 16:42:02 +0300
commita02001086bbfb4da35d1228bebc2f1b442db455f (patch)
tree62ab47936cef06fd08657ca5b6cd1df98c19be57 /drivers/net/wireless/ath/carl9170/main.c
parenteff264efeeb0898408e8c9df72d8a32621035bed (diff)
parentfc14f9c1272f62c3e8d01300f52467c0d9af50f9 (diff)
downloadlinux-a02001086bbfb4da35d1228bebc2f1b442db455f.tar.xz
Merge Linus' tree to be be to apply submitted patches to newer code than
current trivial.git base
Diffstat (limited to 'drivers/net/wireless/ath/carl9170/main.c')
-rw-r--r--drivers/net/wireless/ath/carl9170/main.c11
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c
index f8ded84b7be8..ef5b6dc7b7f1 100644
--- a/drivers/net/wireless/ath/carl9170/main.c
+++ b/drivers/net/wireless/ath/carl9170/main.c
@@ -1430,18 +1430,10 @@ static int carl9170_op_ampdu_action(struct ieee80211_hw *hw,
if (!sta_info->ht_sta)
return -EOPNOTSUPP;
- rcu_read_lock();
- if (rcu_dereference(sta_info->agg[tid])) {
- rcu_read_unlock();
- return -EBUSY;
- }
-
tid_info = kzalloc(sizeof(struct carl9170_sta_tid),
GFP_ATOMIC);
- if (!tid_info) {
- rcu_read_unlock();
+ if (!tid_info)
return -ENOMEM;
- }
tid_info->hsn = tid_info->bsn = tid_info->snx = (*ssn);
tid_info->state = CARL9170_TID_STATE_PROGRESS;
@@ -1460,7 +1452,6 @@ static int carl9170_op_ampdu_action(struct ieee80211_hw *hw,
list_add_tail_rcu(&tid_info->list, &ar->tx_ampdu_list);
rcu_assign_pointer(sta_info->agg[tid], tid_info);
spin_unlock_bh(&ar->tx_ampdu_list_lock);
- rcu_read_unlock();
ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
break;