diff --git a/os_dep/linux/ioctl_cfg80211.c b/os_dep/linux/ioctl_cfg80211.c
index 3b96594..8a7e088 100644
--- a/os_dep/linux/ioctl_cfg80211.c
+++ b/os_dep/linux/ioctl_cfg80211.c
@@ -796,12 +796,15 @@ check_bss:
 		#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) || defined(COMPAT_KERNEL_RELEASE)
 		RTW_INFO("pwdev->sme_state(b)=%d\n", pwdev->sme_state);
 		#endif
+
+		if (NULL != pmlmepriv->assoc_req && NULL != pmlmepriv->assoc_rsp)
 		cfg80211_connect_result(padapter->pnetdev, cur_network->network.MacAddress
 			, pmlmepriv->assoc_req + sizeof(struct rtw_ieee80211_hdr_3addr) + 2
 			, pmlmepriv->assoc_req_len - sizeof(struct rtw_ieee80211_hdr_3addr) - 2
 			, pmlmepriv->assoc_rsp + sizeof(struct rtw_ieee80211_hdr_3addr) + 6
 			, pmlmepriv->assoc_rsp_len - sizeof(struct rtw_ieee80211_hdr_3addr) - 6
 			, WLAN_STATUS_SUCCESS, GFP_ATOMIC);
+
 		#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) || defined(COMPAT_KERNEL_RELEASE)
 		RTW_INFO("pwdev->sme_state(a)=%d\n", pwdev->sme_state);
 		#endif