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[PATCH 2/2] ath10k: stop monitor vdev for sta assoc

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This prevents some fw revisions from crashing in
many cases when user is trying to run a
promiscuous station interface (e.g. sniffing,
4addr bridge).

Signed-off-by: Michal Kazior <michal.kazior@xxxxxxxxx>
---
 drivers/net/wireless/ath/ath10k/mac.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 19562a7..bf8a402 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -3169,8 +3169,16 @@ static void ath10k_bss_info_changed(struct ieee80211_hw *hw,
 	}
 
 	if (changed & BSS_CHANGED_ASSOC) {
-		if (info->assoc)
+		if (info->assoc) {
+			/* Workaround: Make sure monitor vdev is not running
+			 * when associating to prevent some firmware revisions
+			 * (e.g. 10.1 and 10.2) from crashing.
+			 */
+			if (ar->monitor_started)
+				ath10k_monitor_stop(ar);
 			ath10k_bss_assoc(hw, vif, info);
+			ath10k_monitor_recalc(ar);
+		}
 	}
 
 exit:
-- 
1.8.5.3

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