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>
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c
index 8feba36..7ec1749 100644
--- a/drivers/net/wireless/wl12xx/main.c
+++ b/drivers/net/wireless/wl12xx/main.c
@@ -957,11 +957,15 @@
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;
}