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authorArik Nemtsov <arik@wizery.com>2011-08-25 13:43:13 +0400
committerLuciano Coelho <coelho@ti.com>2011-09-14 14:15:05 +0400
commit56d4f8f685c073c7ed7203b78c57f5d893d65102 (patch)
tree43df6c90e21c741c6b76df83bcbd4ea9e6f8993c /drivers/net/wireless/wl12xx
parentf8e0af6b8732b47c2531a280753d29a4ca2d114b (diff)
downloadlinux-56d4f8f685c073c7ed7203b78c57f5d893d65102.tar.xz
wl12xx: AP mode - don't regulate FW blocks for non-active STAs
Check a STA is associated before regulating its PS-status in mac80211. Should never happen, so warn as a precaution. [Small cosmetic change wrt Kalle Valo's comment. -- Luca] Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
Diffstat (limited to 'drivers/net/wireless/wl12xx')
-rw-r--r--drivers/net/wireless/wl12xx/tx.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c
index b6b2d3ac75cf..b876e9eb4e83 100644
--- a/drivers/net/wireless/wl12xx/tx.c
+++ b/drivers/net/wireless/wl12xx/tx.c
@@ -30,6 +30,7 @@
#include "reg.h"
#include "ps.h"
#include "tx.h"
+#include "event.h"
static int wl1271_set_default_wep_key(struct wl1271 *wl, u8 id)
{
@@ -132,6 +133,9 @@ static void wl1271_tx_regulate_link(struct wl1271 *wl, u8 hlid)
if (hlid < WL1271_AP_STA_HLID_START)
return;
+ if (WARN_ON(!wl1271_is_active_sta(wl, hlid)))
+ return;
+
fw_ps = test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map);
tx_pkts = wl->links[hlid].allocated_pkts;