qcacmn: Change return type to QDF_STATUS

wmi_unified_register_event has a return type of QDF_STATUS.
Handle the same return type in the following callers:

1. target_if_dfs_reg_ocac_event
2. target_if_dfs_reg_offload_events
3. target_if_reg_phyerr_events_dfs2

Change-Id: I622f6f6c4ff3b428a6407b6526e823083cc1fd8a
CRs-Fixed: 2767507

target_if/dfs/src/target_if_dfs.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2019 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2017-2020 The Linux Foundation. All rights reserved.
  *
  *
  * Permission to use, copy, modify, and/or distribute this software for
@@ -172,7 +172,7 @@ static int target_if_radar_event_handler(
 static QDF_STATUS target_if_reg_phyerr_events_dfs2(
 				struct wlan_objmgr_psoc *psoc)
 {
-	int ret;
+	QDF_STATUS ret;
 	wmi_unified_t wmi_handle;
 
 	wmi_handle = get_wmi_unified_hdl_from_psoc(psoc);
@@ -184,7 +184,7 @@ static QDF_STATUS target_if_reg_phyerr_events_dfs2(
 	ret = wmi_unified_register_event(wmi_handle,
 					 wmi_dfs_radar_event_id,
 					 target_if_radar_event_handler);
-	if (ret) {
+	if (QDF_IS_STATUS_ERROR(ret)) {
 		target_if_err("failed to register wmi_dfs_radar_event_id");
 		return QDF_STATUS_E_FAILURE;
 	}

target_if/dfs/src/target_if_dfs_full_offload.c

@@ -256,10 +256,10 @@ static int target_if_dfs_radar_detection_event_handler(
  * for full offload.
  * @psoc: Pointer to psoc object.
  *
- * Return: 0 on successful registration.
+ * Return: QDF_STATUS_SUCCESS on successful registration.
  */
 #if defined(QCA_SUPPORT_AGILE_DFS)
-static int target_if_dfs_reg_ocac_event(struct wlan_objmgr_psoc *psoc)
+static QDF_STATUS target_if_dfs_reg_ocac_event(struct wlan_objmgr_psoc *psoc)
 {
 	return wmi_unified_register_event(
 			get_wmi_unified_hdl_from_psoc(psoc),
@@ -267,9 +267,9 @@ static int target_if_dfs_reg_ocac_event(struct wlan_objmgr_psoc *psoc)
 			target_if_dfs_ocac_complete_event_handler);
 }
 #else
-static int target_if_dfs_reg_ocac_event(struct wlan_objmgr_psoc *psoc)
+static QDF_STATUS target_if_dfs_reg_ocac_event(struct wlan_objmgr_psoc *psoc)
 {
-	return 0;
+	return QDF_STATUS_SUCCESS;
 }
 #endif
 
@@ -277,7 +277,7 @@ static int target_if_dfs_reg_ocac_event(struct wlan_objmgr_psoc *psoc)
 QDF_STATUS target_if_dfs_reg_offload_events(
 		struct wlan_objmgr_psoc *psoc)
 {
-	int ret1, ret2, ret3;
+	QDF_STATUS ret1, ret2, ret3;
 
 	ret1 = wmi_unified_register_event(
 			get_wmi_unified_hdl_from_psoc(psoc),
@@ -294,7 +294,8 @@ QDF_STATUS target_if_dfs_reg_offload_events(
 	ret3 = target_if_dfs_reg_ocac_event(psoc);
 	target_if_debug("wmi_vdev_ocac_complete_event_id ret=%d", ret3);
 
-	if (ret1 || ret2 || ret3)
+	if (QDF_IS_STATUS_ERROR(ret1) || QDF_IS_STATUS_ERROR(ret2) ||
+	    QDF_IS_STATUS_ERROR(ret3))
 		return QDF_STATUS_E_FAILURE;
 	else
 		return QDF_STATUS_SUCCESS;