iwlagn: priv->lock moves to iwl_shared

Since it is used by all the layers, it needs to move to iwl_shared.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-shared.h b/drivers/net/wireless/iwlwifi/iwl-shared.h
index 74ff711..1c2c31c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-shared.h
+++ b/drivers/net/wireless/iwlwifi/iwl-shared.h
@@ -149,6 +149,7 @@
  * @priv: pointer to the upper layer data
  * @hw_params: see struct iwl_hw_params
  * @workqueue: the workqueue used by all the layers of the driver
+ * @lock: protect general shared data
  */
 struct iwl_shared {
 #ifdef CONFIG_IWLWIFI_DEBUG
@@ -163,6 +164,7 @@
 	struct iwl_hw_params hw_params;
 
 	struct workqueue_struct *workqueue;
+	spinlock_t lock;
 };
 
 /*Whatever _m is (iwl_trans, iwl_priv, iwl_bus, these macros will work */