mac80211: flush workqueue a second time in suspend()

Drivers can theoretically queue more work in one of their callbacks
from mac80211 suspend, so let's flush it once more to be on the safe
side, just before calling ->stop().

Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index 6d17ed7fd49b91489121748fb04c7e1b6f967da5..44525f51707733f47ed10704828387690e023ca9 100644 (file)
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -44,6 +44,9 @@ int __ieee80211_suspend(struct ieee80211_hw *hw)
                }
        }
 
+       /* flush again, in case driver queued work */
+       flush_workqueue(local->hw.workqueue);
+
        /* stop hardware */
        if (local->open_count) {
                ieee80211_led_radio(local, false);