qcacld-3.0: Issue disconnect only in case of mon concurrency

While adding monitor interface, issue disconnect for existing
STA interface only if mon concurrency is supported, for packet
capture mode disconnection is not required.

Change-Id: I6e970eb52681fcb500ab56372ff93e9c73d79618
CRs-Fixed: 2855842

core/hdd/src/wlan_hdd_main.c

@@ -18620,26 +18620,29 @@ wlan_hdd_add_monitor_check(struct hdd_context *hdd_ctx,
 		return -EINVAL;
 	}
 
-	num_open_session = policy_mgr_mode_specific_connection_count(
-					hdd_ctx->psoc,
-					PM_STA_MODE,
-					NULL);
-
-	if (num_open_session == 1) {
-		hdd_ctx->disconnect_for_sta_mon_conc = true;
-		/* Try disconnecting if already in connected state */
-		/* This is temp ifdef will be removed in near future */
+	if (ucfg_mlme_is_sta_mon_conc_supported(hdd_ctx->psoc)) {
+		num_open_session = policy_mgr_mode_specific_connection_count(
+						hdd_ctx->psoc,
+						PM_STA_MODE,
+						NULL);
+
+		if (num_open_session == 1) {
+			hdd_ctx->disconnect_for_sta_mon_conc = true;
+			/* Try disconnecting if already in connected state */
+			/* This is temp ifdef will be removed in near future */
 #ifdef FEATURE_CM_ENABLE
-		wlan_hdd_cm_issue_disconnect(sta_adapter, REASON_UNSPEC_FAILURE,
-					     true);
+			wlan_hdd_cm_issue_disconnect(sta_adapter,
+						     REASON_UNSPEC_FAILURE,
+						     true);
 #else
-		errno = wlan_hdd_try_disconnect(sta_adapter,
-						REASON_UNSPEC_FAILURE);
-		if (errno > 0) {
-			hdd_err("Failed to disconnect the existing connection");
-			return -EALREADY;
-		}
+			errno = wlan_hdd_try_disconnect(sta_adapter,
+							REASON_UNSPEC_FAILURE);
+			if (errno > 0) {
+				hdd_err("Failed to disconnect the existing connection");
+				return -EALREADY;
+			}
 #endif
+		}
 	}
 
 	if (ucfg_pkt_capture_get_mode(hdd_ctx->psoc) !=