mac80211: use synchronize_net() on key destroying
__ieee80211_key_destroy() calls synchronize_rcu() in order to sync the tx path before destroying the key. However, synching the tx path can be done with synchronize_net() as well, which is usually faster (the timing might be important for roaming scenarios). Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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