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iwlwifi: mvm: write queue_sync_state only for sync

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[ Upstream commit 97cc16943f23078535fdbce4f6391b948b4ccc08 ]

We use mvm->queue_sync_state to wait for synchronous queue sync
messages, but if an async one happens inbetween we shouldn't
clear mvm->queue_sync_state after sending the async one, that
can run concurrently (at least from the CPU POV) with another
synchronous queue sync.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Fixes: 3c514bf831 ("iwlwifi: mvm: add a loose synchronization of the NSSN across Rx queues")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20201107104557.51a3148f2c14.I0772171dbaec87433a11513e9586d98b5d920b5f@changeid
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Avraham Stern 2020-11-07 10:50:09 +02:00 • committed by Greg Kroah-Hartman
commit f5672b83fc
1 changed files with 3 additions and 0 deletions
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3
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
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@ -3069,6 +3069,9 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
goto out_unlock;
}
if (vif->type == NL80211_IFTYPE_STATION)
vif->bss_conf.he_support = sta->he_cap.has_he;
if (sta->tdls &&
(vif->p2p ||
iwl_mvm_tdls_sta_count(mvm, NULL) ==