From: Arik Nemtsov <arik@xxxxxxxxxx>
Sending the FW a channel switch command on a disconnected
vif may result in a beacon loss event. Avoid this corner case.
Signed-off-by: Arik Nemtsov <arik@xxxxxxxxxx>
Signed-off-by: Eliad Peller <eliad@xxxxxxxxxx>
---
drivers/net/wireless/ti/wlcore/main.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index d92f578..ec21141 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -5192,6 +5192,10 @@ static void wl12xx_op_channel_switch(struct ieee80211_hw *hw,
if (unlikely(wl->state == WLCORE_STATE_OFF)) {
wl12xx_for_each_wlvif_sta(wl, wlvif) {
struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
+
+ if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
+ continue;
+
ieee80211_chswitch_done(vif, false);
}
goto out;
@@ -5207,6 +5211,9 @@ static void wl12xx_op_channel_switch(struct ieee80211_hw *hw,
wl12xx_for_each_wlvif_sta(wl, wlvif) {
unsigned long delay_usec;
+ if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
+ continue;
+
ret = wl->ops->channel_switch(wl, wlvif, ch_switch);
if (ret)
goto out_sleep;
--
1.8.5.1.109.g3d252a9
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