From: Johannes Berg Date: Fri, 13 Mar 2009 10:43:36 +0000 (+0100) Subject: mac80211: stop queues across suspend/resume X-Git-Tag: firefly_0821_release~14712^2~83^2~86 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=25420604c8967ff24f087dd7b9cd4b278567d39a;p=firefly-linux-kernel-4.4.55.git 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 Signed-off-by: John W. Linville --- diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index fbb91f1aebb2..ad12c2a03a95 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -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 { diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c index 44525f517077..c923ceb089a3 100644 --- a/net/mac80211/pm.c +++ b/net/mac80211/pm.c @@ -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; }