qcacld-3.0: Add check for return value of qdf_delayed_work_create

Add check for return value of qdf_delayed_work_create to resolve
compilation errors for new kernel.

Change-Id: Iaaad29a6f50baf11bb8b6951a5d2e5ccf15bc293
CRs-Fixed: 3110415

core/hdd/src/wlan_hdd_sar_limits.c

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2012-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -1008,9 +1008,11 @@ static void hdd_sar_unsolicited_work_cb(void *user_data)
 
 	if (errno == -EAGAIN) {
 		hdd_nofl_debug("rescheduling sar unsolicited work");
-		qdf_delayed_work_create(&hdd_ctx->sar_safety_unsolicited_work,
-					hdd_sar_unsolicited_work_cb,
-					hdd_ctx);
+		status = qdf_delayed_work_create(&hdd_ctx->sar_safety_unsolicited_work,
+						 hdd_sar_unsolicited_work_cb,
+						 hdd_ctx);
+		if (QDF_IS_STATUS_ERROR(status))
+			hdd_err("failed to create sar safety unsolicited work");
 		return;
 	} else if (errno) {
 		hdd_err("cannot handle sar unsolicited work");
@@ -1090,6 +1092,8 @@ void wlan_hdd_sar_timers_reset(struct hdd_context *hdd_ctx)
 
 void wlan_hdd_sar_timers_init(struct hdd_context *hdd_ctx)
 {
+	QDF_STATUS status;
+
 	if (!hdd_ctx->config->enable_sar_safety)
 		return;
 
@@ -1098,13 +1102,19 @@ void wlan_hdd_sar_timers_init(struct hdd_context *hdd_ctx)
 	qdf_mc_timer_init(&hdd_ctx->sar_safety_timer, QDF_TIMER_TYPE_SW,
 			  hdd_sar_safety_timer_cb, hdd_ctx);
 
-	qdf_delayed_work_create(&hdd_ctx->sar_safety_unsolicited_work,
-				hdd_sar_unsolicited_work_cb,
-				hdd_ctx);
+	status = qdf_delayed_work_create(&hdd_ctx->sar_safety_unsolicited_work,
+					 hdd_sar_unsolicited_work_cb,
+					 hdd_ctx);
+
+	if (QDF_IS_STATUS_ERROR(status)) {
+		hdd_err("failed to create sar safety unsolicited work");
+		goto hdd_exit;
+	}
 
 	qdf_atomic_init(&hdd_ctx->sar_safety_req_resp_event_in_progress);
 	qdf_event_create(&hdd_ctx->sar_safety_req_resp_event);
 
+hdd_exit:
 	hdd_exit();
 }