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37 lines
1.2 KiB
37 lines
1.2 KiB
11 years ago
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From 4101e8dc540d19f1f6c24930629149191786e4cd Mon Sep 17 00:00:00 2001
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From: Arik Nemtsov <arik@wizery.com>
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Date: Mon, 9 Sep 2013 16:48:59 +0300
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Subject: [PATCH 27/75] wlcore: don't switch channels on disconnected STA vifs
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Sending the FW a channel switch command on a disconnected vif may result
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in a beacon loss event. Avoid this edge case.
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Signed-off-by: Arik Nemtsov <arik@wizery.com>
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---
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drivers/net/wireless/ti/wlcore/main.c | 7 +++++++
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1 file changed, 7 insertions(+)
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--- a/drivers/net/wireless/ti/wlcore/main.c
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+++ b/drivers/net/wireless/ti/wlcore/main.c
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11 years ago
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@@ -5148,6 +5148,10 @@ static void wl12xx_op_channel_switch(str
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11 years ago
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if (unlikely(wl->state == WLCORE_STATE_OFF)) {
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wl12xx_for_each_wlvif_sta(wl, wlvif) {
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struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
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+
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+ if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
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+ continue;
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+
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ieee80211_chswitch_done(vif, false);
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}
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goto out;
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11 years ago
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@@ -5163,6 +5167,9 @@ static void wl12xx_op_channel_switch(str
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11 years ago
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wl12xx_for_each_wlvif_sta(wl, wlvif) {
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unsigned long delay_usec;
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+ if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
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+ continue;
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+
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ret = wl->ops->channel_switch(wl, wlvif, ch_switch);
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if (ret)
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goto out_sleep;
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