diff --git a/os_dep/linux/ioctl_cfg80211.c b/os_dep/linux/ioctl_cfg80211.c
index c4bd61a..cd6b560 100755
--- a/os_dep/linux/ioctl_cfg80211.c
+++ b/os_dep/linux/ioctl_cfg80211.c
@@ -1137,6 +1137,9 @@ check_bss:
 		struct ieee80211_channel *notify_channel;
 		u32 freq;
 		u16 channel = cur_network->network.Configuration.DSConfig;
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0))
+		struct cfg80211_roam_info roam_info;
+#endif
 
 		freq = rtw_ch2freq(channel);
 		notify_channel = ieee80211_get_channel(wiphy, freq);
@@ -1153,9 +1156,9 @@ check_bss:
 		cfg80211_roamed(padapter->pnetdev, &roam_info, GFP_ATOMIC);
 		#else
 		cfg80211_roamed(padapter->pnetdev
-			#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39) || defined(COMPAT_KERNEL_RELEASE)
+		#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 39) || defined(COMPAT_KERNEL_RELEASE)
 			, notify_channel
-			#endif
+		#endif
 			, 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
@@ -1166,10 +1169,10 @@ check_bss:
 
 		RTW_INFO(FUNC_ADPT_FMT" call cfg80211_roamed\n", FUNC_ADPT_ARG(padapter));
 
-#ifdef CONFIG_RTW_80211R
+		#ifdef CONFIG_RTW_80211R
 		if (rtw_ft_roam(padapter))
 			rtw_ft_set_status(padapter, RTW_FT_ASSOCIATED_STA);
-#endif
+		#endif
 	} else {
 		#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) || defined(COMPAT_KERNEL_RELEASE)
 		RTW_INFO("pwdev->sme_state(b)=%d\n", pwdev->sme_state);
@@ -1182,7 +1185,7 @@ check_bss:
 				, 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)
+#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
 	}