diff --git a/CORE/HDD/src/wlan_hdd_main.c b/CORE/HDD/src/wlan_hdd_main.c
index 1f0c694..cdf0b36 100755
--- a/CORE/HDD/src/wlan_hdd_main.c
+++ b/CORE/HDD/src/wlan_hdd_main.c
@@ -5805,6 +5805,9 @@
             goto err_free_netdev;
          }
 
+         // Workqueue which gets scheduled in IPv4 notification callback.
+         INIT_WORK(&pAdapter->ipv4NotifierWorkQueue, hdd_ipv4_notifier_work_queue);
+
 #ifdef WLAN_NS_OFFLOAD
          // Workqueue which gets scheduled in IPv6 notification callback.
          INIT_WORK(&pAdapter->ipv6NotifierWorkQueue, hdd_ipv6_notifier_work_queue);
@@ -6129,6 +6132,9 @@
 #endif
 #endif
 
+#ifdef WLAN_OPEN_SOURCE
+         cancel_work_sync(&pAdapter->ipv4NotifierWorkQueue);
+#endif
          if (test_bit(SME_SESSION_OPENED, &pAdapter->event_flags)) 
          {
             INIT_COMPLETION(pAdapter->session_close_comp_var);