From cd6c524e9e0b5ad8ce52bc3b4a3a1e272e3a8410 Mon Sep 17 00:00:00 2001
From: Dmitry TARNYAGIN <dmitry.tarnyagin@stericsson.com>
Date: Mon, 12 Dec 2011 12:58:43 +0100
Subject: [PATCH] mac80211: Do not request FIF_BCN_PRBRESP_PROMISC for HW scan.

ieee80211_configure_filter code used local->scanning as a boolean
value when it was a bit mask. Bits SCAN_COMPLETED, SCAN_ABORTED
should not set FIF_BCN_PRBRESP_PROMISC filter.

SCAN_HW_SCANNING should not set FIF_BCN_PRBRESP_PROMISC either,
as there is no explicit filter configuration request from
scan code. If a driver requires FIF_BCN_PRBRESP_PROMISC mode
during HW scanning, it's up to the driver to temporary enable it.

Similar mistake was fixed also in ieee80211_hw_config (power
configuration code).

Verified-by: Vitaly Wool <vitaly.wool@sonyericsson.com>
Signed-off-by: Dmitry Tarnyagin <dmitry.tarnyagin@stericsson.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/main.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 60198ac664a00..1455836257185 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -47,7 +47,7 @@ void ieee80211_configure_filter(struct ieee80211_local *local)
 	if (atomic_read(&local->iff_allmultis))
 		new_flags |= FIF_ALLMULTI;
 
-	if (local->monitors || local->scanning)
+	if (local->monitors || test_bit(SCAN_SW_SCANNING, &local->scanning))
 		new_flags |= FIF_BCN_PRBRESP_PROMISC;
 
 	if (local->fif_probe_req || local->probe_req_reg)
@@ -150,8 +150,8 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
 		changed |= IEEE80211_CONF_CHANGE_SMPS;
 	}
 
-	if ((local->scanning & SCAN_SW_SCANNING) ||
-	    (local->scanning & SCAN_HW_SCANNING))
+	if (test_bit(SCAN_SW_SCANNING, &local->scanning) ||
+	    test_bit(SCAN_HW_SCANNING, &local->scanning))
 		power = chan->max_power;
 	else
 		power = local->power_constr_level ?
-- 
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