diff --git a/core/sme/src/csr/csr_api_roam.c b/core/sme/src/csr/csr_api_roam.c
index 4407c676a5e4..3161f231cd39 100644
--- a/core/sme/src/csr/csr_api_roam.c
+++ b/core/sme/src/csr/csr_api_roam.c
@@ -9189,20 +9189,26 @@ csr_roaming_state_config_cnf_processor(struct mac_context *mac_ctx,
 	if (!scan_result) {
 		/* If we are roaming TO an Infrastructure BSS... */
 		QDF_ASSERT(scan_result);
+		csr_roam_complete(mac_ctx, eCsrJoinFailure, NULL, vdev_id);
 		return;
 	}
 
 	if (!csr_is_infra_bss_desc(bss_desc)) {
 		sme_warn("found BSSType mismatching the one in BSS descp");
-		return;
+		/* here we allow the connection even if ess is not set.
+		 * previously it return directly which cause serialization cmd
+		 * timeout.
+		 */
 	}
 
 	local_ies = (tDot11fBeaconIEs *) scan_result->Result.pvIes;
 	if (!local_ies) {
 		status = csr_get_parsed_bss_description_ies(mac_ctx, bss_desc,
 							    &local_ies);
-		if (!QDF_IS_STATUS_SUCCESS(status))
+		if (!QDF_IS_STATUS_SUCCESS(status)) {
+			csr_roam(mac_ctx, cmd, false);
 			return;
+		}
 		is_ies_malloced = true;
 	}