mac80211: flush delayed work when entering suspend

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commit a9e9200d86 upstream.

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.

Signed-off-by: Matt Chen <matt.chen@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Matt Chen 2017-01-22 02:16:58 +08:00 • committed by Greg Kroah-Hartman

parent 9ad1571da2

commit b116db0da1

1 changed files with 1 additions and 0 deletions

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net/mac80211/pm.c

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