diff options
Diffstat (limited to 'net/mac80211/util.c')
| -rw-r--r-- | net/mac80211/util.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 8502936e5314..e55d57f559ec 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -511,6 +511,46 @@ void ieee80211_iterate_active_interfaces_atomic( } EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces_atomic); +/* + * Nothing should have been stuffed into the workqueue during + * the suspend->resume cycle. If this WARN is seen then there + * is a bug with either the driver suspend or something in + * mac80211 stuffing into the workqueue which we haven't yet + * cleared during mac80211's suspend cycle. + */ +static bool ieee80211_can_queue_work(struct ieee80211_local *local) +{ + if (WARN(local->suspended, "queueing ieee80211 work while " + "going to suspend\n")) + return false; + + return true; +} + +void ieee80211_queue_work(struct ieee80211_hw *hw, struct work_struct *work) +{ + struct ieee80211_local *local = hw_to_local(hw); + + if (!ieee80211_can_queue_work(local)) + return; + + queue_work(local->workqueue, work); +} +EXPORT_SYMBOL(ieee80211_queue_work); + +void ieee80211_queue_delayed_work(struct ieee80211_hw *hw, + struct delayed_work *dwork, + unsigned long delay) +{ + struct ieee80211_local *local = hw_to_local(hw); + + if (!ieee80211_can_queue_work(local)) + return; + + queue_delayed_work(local->workqueue, dwork, delay); +} +EXPORT_SYMBOL(ieee80211_queue_delayed_work); + void ieee802_11_parse_elems(u8 *start, size_t len, struct ieee802_11_elems *elems) { @@ -1114,3 +1154,4 @@ int ieee80211_reconfig(struct ieee80211_local *local) #endif return 0; } + |