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-rw-r--r--net/mac80211/work.c39
1 files changed, 17 insertions, 22 deletions
diff --git a/net/mac80211/work.c b/net/mac80211/work.c
index 81d4ad6..ae344d1 100644
--- a/net/mac80211/work.c
+++ b/net/mac80211/work.c
@@ -43,7 +43,7 @@ enum work_action {
/* utils */
static inline void ASSERT_WORK_MTX(struct ieee80211_local *local)
{
- WARN_ON(!mutex_is_locked(&local->work_mtx));
+ lockdep_assert_held(&local->mtx);
}
/*
@@ -757,7 +757,7 @@ static void ieee80211_work_rx_queued_mgmt(struct ieee80211_local *local,
mgmt = (struct ieee80211_mgmt *) skb->data;
fc = le16_to_cpu(mgmt->frame_control);
- mutex_lock(&local->work_mtx);
+ mutex_lock(&local->mtx);
list_for_each_entry(wk, &local->work_list, list) {
const u8 *bssid = NULL;
@@ -833,7 +833,7 @@ static void ieee80211_work_rx_queued_mgmt(struct ieee80211_local *local,
WARN(1, "unexpected: %d", rma);
}
- mutex_unlock(&local->work_mtx);
+ mutex_unlock(&local->mtx);
if (rma != WORK_ACT_DONE)
goto out;
@@ -845,9 +845,9 @@ static void ieee80211_work_rx_queued_mgmt(struct ieee80211_local *local,
case WORK_DONE_REQUEUE:
synchronize_rcu();
wk->started = false; /* restart */
- mutex_lock(&local->work_mtx);
+ mutex_lock(&local->mtx);
list_add_tail(&wk->list, &local->work_list);
- mutex_unlock(&local->work_mtx);
+ mutex_unlock(&local->mtx);
}
out:
@@ -888,9 +888,9 @@ static void ieee80211_work_work(struct work_struct *work)
while ((skb = skb_dequeue(&local->work_skb_queue)))
ieee80211_work_rx_queued_mgmt(local, skb);
- ieee80211_recalc_idle(local);
+ mutex_lock(&local->mtx);
- mutex_lock(&local->work_mtx);
+ ieee80211_recalc_idle(local);
list_for_each_entry_safe(wk, tmp, &local->work_list, list) {
bool started = wk->started;
@@ -995,20 +995,16 @@ static void ieee80211_work_work(struct work_struct *work)
run_again(local, jiffies + HZ/2);
}
- mutex_lock(&local->scan_mtx);
-
if (list_empty(&local->work_list) && local->scan_req &&
!local->scanning)
ieee80211_queue_delayed_work(&local->hw,
&local->scan_work,
round_jiffies_relative(0));
- mutex_unlock(&local->scan_mtx);
-
- mutex_unlock(&local->work_mtx);
-
ieee80211_recalc_idle(local);
+ mutex_unlock(&local->mtx);
+
list_for_each_entry_safe(wk, tmp, &free_work, list) {
wk->done(wk, NULL);
list_del(&wk->list);
@@ -1035,16 +1031,15 @@ void ieee80211_add_work(struct ieee80211_work *wk)
wk->started = false;
local = wk->sdata->local;
- mutex_lock(&local->work_mtx);
+ mutex_lock(&local->mtx);
list_add_tail(&wk->list, &local->work_list);
- mutex_unlock(&local->work_mtx);
+ mutex_unlock(&local->mtx);
ieee80211_queue_work(&local->hw, &local->work_work);
}
void ieee80211_work_init(struct ieee80211_local *local)
{
- mutex_init(&local->work_mtx);
INIT_LIST_HEAD(&local->work_list);
setup_timer(&local->work_timer, ieee80211_work_timer,
(unsigned long)local);
@@ -1057,7 +1052,7 @@ void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata)
struct ieee80211_local *local = sdata->local;
struct ieee80211_work *wk;
- mutex_lock(&local->work_mtx);
+ mutex_lock(&local->mtx);
list_for_each_entry(wk, &local->work_list, list) {
if (wk->sdata != sdata)
continue;
@@ -1065,19 +1060,19 @@ void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata)
wk->started = true;
wk->timeout = jiffies;
}
- mutex_unlock(&local->work_mtx);
+ mutex_unlock(&local->mtx);
/* run cleanups etc. */
ieee80211_work_work(&local->work_work);
- mutex_lock(&local->work_mtx);
+ mutex_lock(&local->mtx);
list_for_each_entry(wk, &local->work_list, list) {
if (wk->sdata != sdata)
continue;
WARN_ON(1);
break;
}
- mutex_unlock(&local->work_mtx);
+ mutex_unlock(&local->mtx);
}
ieee80211_rx_result ieee80211_work_rx_mgmt(struct ieee80211_sub_if_data *sdata,
@@ -1163,7 +1158,7 @@ int ieee80211_wk_cancel_remain_on_channel(struct ieee80211_sub_if_data *sdata,
struct ieee80211_work *wk, *tmp;
bool found = false;
- mutex_lock(&local->work_mtx);
+ mutex_lock(&local->mtx);
list_for_each_entry_safe(wk, tmp, &local->work_list, list) {
if ((unsigned long) wk == cookie) {
wk->timeout = jiffies;
@@ -1171,7 +1166,7 @@ int ieee80211_wk_cancel_remain_on_channel(struct ieee80211_sub_if_data *sdata,
break;
}
}
- mutex_unlock(&local->work_mtx);
+ mutex_unlock(&local->mtx);
if (!found)
return -ENOENT;
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