--- zzzz-none-000/linux-3.10.107/include/net/iw_handler.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/net/iw_handler.h	2021-02-04 17:41:59.000000000 +0000
@@ -432,44 +432,38 @@
 /* First : function strictly used inside the kernel */
 
 /* Handle /proc/net/wireless, called in net/code/dev.c */
-extern int dev_get_wireless_info(char * buffer, char **start, off_t offset,
-				 int length);
+int dev_get_wireless_info(char *buffer, char **start, off_t offset, int length);
 
 /* Second : functions that may be called by driver modules */
 
 /* Send a single event to user space */
-extern void wireless_send_event(struct net_device *	dev,
-				unsigned int		cmd,
-				union iwreq_data *	wrqu,
-				const char *		extra);
+void wireless_send_event(struct net_device *dev, unsigned int cmd,
+			 union iwreq_data *wrqu, const char *extra);
+#ifdef CONFIG_WEXT_CORE
+/* flush all previous wext events - if work is done from netdev notifiers */
+void wireless_nlevent_flush(void);
+#else
+static inline void wireless_nlevent_flush(void) {}
+#endif
 
 /* We may need a function to send a stream of events to user space.
  * More on that later... */
 
 /* Standard handler for SIOCSIWSPY */
-extern int iw_handler_set_spy(struct net_device *	dev,
-			      struct iw_request_info *	info,
-			      union iwreq_data *	wrqu,
-			      char *			extra);
+int iw_handler_set_spy(struct net_device *dev, struct iw_request_info *info,
+		       union iwreq_data *wrqu, char *extra);
 /* Standard handler for SIOCGIWSPY */
-extern int iw_handler_get_spy(struct net_device *	dev,
-			      struct iw_request_info *	info,
-			      union iwreq_data *	wrqu,
-			      char *			extra);
+int iw_handler_get_spy(struct net_device *dev, struct iw_request_info *info,
+		       union iwreq_data *wrqu, char *extra);
 /* Standard handler for SIOCSIWTHRSPY */
-extern int iw_handler_set_thrspy(struct net_device *	dev,
-				 struct iw_request_info *info,
-				 union iwreq_data *	wrqu,
-				 char *			extra);
+int iw_handler_set_thrspy(struct net_device *dev, struct iw_request_info *info,
+			  union iwreq_data *wrqu, char *extra);
 /* Standard handler for SIOCGIWTHRSPY */
-extern int iw_handler_get_thrspy(struct net_device *	dev,
-				 struct iw_request_info *info,
-				 union iwreq_data *	wrqu,
-				 char *			extra);
+int iw_handler_get_thrspy(struct net_device *dev, struct iw_request_info *info,
+			  union iwreq_data *wrqu, char *extra);
 /* Driver call to update spy records */
-extern void wireless_spy_update(struct net_device *	dev,
-				unsigned char *		address,
-				struct iw_quality *	wstats);
+void wireless_spy_update(struct net_device *dev, unsigned char *address,
+			 struct iw_quality *wstats);
 
 /************************* INLINE FUNTIONS *************************/
 /*
@@ -531,6 +525,17 @@
 	return stream;
 }
 
+static inline char *
+iwe_stream_add_event_check(struct iw_request_info *info, char *stream,
+			   char *ends, struct iw_event *iwe, int event_len)
+{
+	char *res = iwe_stream_add_event(info, stream, ends, iwe, event_len);
+
+	if (res == stream)
+		return ERR_PTR(-E2BIG);
+	return res;
+}
+
 /*------------------------------------------------------------------*/
 /*
  * Wrapper to add an short Wireless Event containing a pointer to a
@@ -557,6 +562,17 @@
 	return stream;
 }
 
+static inline char *
+iwe_stream_add_point_check(struct iw_request_info *info, char *stream,
+			   char *ends, struct iw_event *iwe, char *extra)
+{
+	char *res = iwe_stream_add_point(info, stream, ends, iwe, extra);
+
+	if (res == stream)
+		return ERR_PTR(-E2BIG);
+	return res;
+}
+
 /*------------------------------------------------------------------*/
 /*
  * Wrapper to add a value to a Wireless Event in a stream of events.