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mac80211: stop queues across suspend/resume 

Even though userland probably cannot submit packets, there might
still be some coming, and that's no good when the driver doesn't
expect them. Stop the queues across suspend/resume.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2009-03-13 11:43:36 +01:00 committed by John W. Linville
parent b5bde374f0
commit 25420604c8
2 changed files with 7 additions and 0 deletions
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1
net/mac80211/ieee80211_i.h
View File

@ -598,6 +598,7 @@ enum queue_stop_reason {
IEEE80211_QUEUE_STOP_REASON_PS,
IEEE80211_QUEUE_STOP_REASON_CSA,
IEEE80211_QUEUE_STOP_REASON_AGGREGATION,
IEEE80211_QUEUE_STOP_REASON_SUSPEND,
};
struct ieee80211_master_priv {

6
net/mac80211/pm.c
View File

@ -11,6 +11,9 @@ int __ieee80211_suspend(struct ieee80211_hw *hw)
struct ieee80211_if_init_conf conf;
struct sta_info *sta;
ieee80211_stop_queues_by_reason(hw,
IEEE80211_QUEUE_STOP_REASON_SUSPEND);
flush_workqueue(local->hw.workqueue);
/* disable keys */
@ -113,5 +116,8 @@ int __ieee80211_resume(struct ieee80211_hw *hw)
ieee80211_configure_filter(local);
netif_addr_unlock_bh(local->mdev);
ieee80211_wake_queues_by_reason(hw,
IEEE80211_QUEUE_STOP_REASON_SUSPEND);
return 0;
}