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| author | Matt Chen <matt.chen@intel.com> | 2017-01-22 02:16:58 +0800 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2017-02-27 14:00:26 +0100 |
| commit | a9e9200d8661c1a0be8c39f93deb383dc940de35 (patch) | |
| tree | 67263b807e7dfbae1a4e9aa28721720a95a987cc /net | |
| parent | 0328edc77d4f35014b35f32b46be0a7e16aae74f (diff) | |
| download | linux-a9e9200d8661c1a0be8c39f93deb383dc940de35.tar.gz linux-a9e9200d8661c1a0be8c39f93deb383dc940de35.tar.bz2 linux-a9e9200d8661c1a0be8c39f93deb383dc940de35.zip | |
mac80211: flush delayed work when entering suspend
The issue was found when entering suspend and resume.
It triggers a warning in:
mac80211/key.c: ieee80211_enable_keys()
...
WARN_ON_ONCE(sdata->crypto_tx_tailroom_needed_cnt ||
sdata->crypto_tx_tailroom_pending_dec);
...
It points out sdata->crypto_tx_tailroom_pending_dec isn't cleaned up successfully
in a delayed_work during suspend. Add a flush_delayed_work to fix it.
Cc: stable@vger.kernel.org
Signed-off-by: Matt Chen <matt.chen@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/mac80211/pm.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c index 28a3a0957c9e..76a8bcd8ef11 100644 --- a/net/mac80211/pm.c +++ b/net/mac80211/pm.c @@ -168,6 +168,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) break; } + flush_delayed_work(&sdata->dec_tailroom_needed_wk); drv_remove_interface(local, sdata); } |