iwlwifi: virtualize op_mode's fw_error

Export it as "nic_error" notification, the error handling will be in
the op_mode.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-op-mode.h b/drivers/net/wireless/iwlwifi/iwl-op-mode.h
index 8ce4aac..e2a780d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-op-mode.h
+++ b/drivers/net/wireless/iwlwifi/iwl-op-mode.h
@@ -90,6 +90,7 @@
  *	reclaimed by the op_mode. This can happen when the driver is freed and
  *	there are Tx packets pending in the transport layer.
  *	Must be atomic
+ * @nic_error: error notification. Must be atomic
  */
 struct iwl_op_mode_ops {
 	struct iwl_op_mode *(*start)(struct iwl_trans *trans);
@@ -100,6 +101,7 @@
 	void (*queue_not_full)(struct iwl_op_mode *op_mode, u8 ac);
 	void (*hw_rf_kill)(struct iwl_op_mode *op_mode, bool state);
 	void (*free_skb)(struct iwl_op_mode *op_mode, struct sk_buff *skb);
+	void (*nic_error)(struct iwl_op_mode *op_mode);
 };
 
 /**
@@ -151,6 +153,11 @@
 	op_mode->ops->free_skb(op_mode, skb);
 }
 
+static inline void iwl_op_mode_nic_error(struct iwl_op_mode *op_mode)
+{
+	op_mode->ops->nic_error(op_mode);
+}
+
 /*****************************************************
 * Op mode layers implementations
 ******************************************************/