From cee4fd2712a3db21f432bdff14e59aed160453b2 Mon Sep 17 00:00:00 2001
From: Kalle Valo <kalle.valo@nokia.com>
Date: Fri, 12 Jun 2009 14:16:20 +0300
Subject: [PATCH] wl12xx: protect wl12xx_op_set_rts_threshold()
The function doesn't lock the mutex before sending the acx.
Signed-off-by: Kalle Valo <kalle.valo@nokia.com>
Reviewed-by: Vidhya Govindan <vidhya.govindan@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
drivers/net/wireless/wl12xx/main.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index 8feba36ff48d5..7ec174992787a 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -957,11 +957,15 @@ static int wl12xx_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
struct wl12xx *wl = hw->priv;
int ret;
+ mutex_lock(&wl->mutex);
+
ret = wl12xx_acx_rts_threshold(wl, (u16) value);
if (ret < 0)
wl12xx_warning("wl12xx_op_set_rts_threshold failed: %d", ret);
+ mutex_unlock(&wl->mutex);
+
return ret;
}
--
2.30.2