rt2x00: Don't queue ieee80211 work after USB removal

This prevents the rt2x00 driver from queueing ieee80211 work after the  
USB card has been removed, preventing a kernel panic.

Signed-off-by: Sean Cross <sean@chumby.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 71761b3..73bbec5 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -815,6 +815,8 @@
 
 	mutex_init(&rt2x00dev->csr_mutex);
 
+	set_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
+
 	/*
 	 * Make room for rt2x00_intf inside the per-interface
 	 * structure ieee80211_vif.
@@ -871,8 +873,6 @@
 	rt2x00leds_register(rt2x00dev);
 	rt2x00debug_register(rt2x00dev);
 
-	set_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags);
-
 	return 0;
 
 exit: