wireless: wl12xx, fix lock imbalance

Add omitted mutex_unlock to one of wl12xx_op_start fail paths (when
wl12xx_chip_wakeup fails).

[v2]
Power off the device, because:
\= cite from http://marc.info/?l=linux-kernel&m=124755028209880&w=2
If the chip cannot be booted, why should it remain powered on?
In some rare cases, the chip might fail to initialize, but can
recover if powered off and on again, so turning it off at this
point is the right thing to do. =/

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/wl12xx/wl1251_main.c b/drivers/net/wireless/wl12xx/wl1251_main.c
index cf5e0549fa1450b0fee928e8af4ecdfbac643f57..106b0f265192e0df8310793fa7e3f212a0468ac9 100644 (file)
--- a/drivers/net/wireless/wl12xx/wl1251_main.c
+++ b/drivers/net/wireless/wl12xx/wl1251_main.c
@@ -349,7 +349,7 @@ static int wl1251_op_start(struct ieee80211_hw *hw)
 
        ret = wl1251_chip_wakeup(wl);
        if (ret < 0)
-               return ret;
+               goto out;
 
        ret = wl->chip.op_boot(wl);
        if (ret < 0)