wifi: iwlwifi: mei: return error from register when not built

When MEI isn't built, it seems like successfully registering
would be wrong. Change this to an error so that in the rest
of the driver, mei_registered won't be true.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231004123422.d410a97cddfb.I7891544938d5edd5e6e7d2d99540b3637f2f1b1b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/drivers/net/wireless/intel/iwlwifi/mei/iwl-mei.h b/drivers/net/wireless/intel/iwlwifi/mei/iwl-mei.h
index 655d95d3a068a690342af186bbd7fb2e97d63459..1f3c885aeb6548246e62c604d750d66d9b398c64 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/mei/iwl-mei.h
+++ b/drivers/net/wireless/intel/iwlwifi/mei/iwl-mei.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
- * Copyright (C) 2021 - 2022 Intel Corporation
+ * Copyright (C) 2021-2023 Intel Corporation
  */
 
 #ifndef __iwl_mei_h__
@@ -493,7 +493,7 @@ static inline void iwl_mei_set_power_limit(__le16 *power_limit)
 
 static inline int iwl_mei_register(void *priv,
                                   const struct iwl_mei_ops *ops)
-{ return 0; }
+{ return -EOPNOTSUPP; }
 
 static inline void iwl_mei_start_unregister(void)
 {}