diff --git a/include/linux/wireless.h b/include/linux/wireless.h
index 2d1b54556eff..e6e34d74dda0 100644
--- a/include/linux/wireless.h
+++ b/include/linux/wireless.h
@@ -26,7 +26,15 @@ struct compat_iw_point {
 struct __compat_iw_event {
 	__u16		len;			/* Real length of this stuff */
 	__u16		cmd;			/* Wireless IOCTL */
-	compat_caddr_t	pointer;
+
+	union {
+		compat_caddr_t	pointer;
+
+		/* we need ptr_bytes to make memcpy() run-time destination
+		 * buffer bounds checking happy, nothing special
+		 */
+		DECLARE_FLEX_ARRAY(__u8, ptr_bytes);
+	};
 };
 #define IW_EV_COMPAT_LCP_LEN offsetof(struct __compat_iw_event, pointer)
 #define IW_EV_COMPAT_POINT_OFF offsetof(struct compat_iw_point, length)
diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c
index 76a80a41615b..fe8765c4075d 100644
--- a/net/wireless/wext-core.c
+++ b/net/wireless/wext-core.c
@@ -468,6 +468,7 @@ void wireless_send_event(struct net_device *	dev,
 	struct __compat_iw_event *compat_event;
 	struct compat_iw_point compat_wrqu;
 	struct sk_buff *compskb;
+	int ptr_len;
 #endif
 
 	/*
@@ -582,6 +583,9 @@ void wireless_send_event(struct net_device *	dev,
 	nlmsg_end(skb, nlh);
 #ifdef CONFIG_COMPAT
 	hdr_len = compat_event_type_size[descr->header_type];
+
+	/* ptr_len is remaining size in event header apart from LCP */
+	ptr_len = hdr_len - IW_EV_COMPAT_LCP_LEN;
 	event_len = hdr_len + extra_len;
 
 	compskb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
@@ -612,16 +616,15 @@ void wireless_send_event(struct net_device *	dev,
 	if (descr->header_type == IW_HEADER_TYPE_POINT) {
 		compat_wrqu.length = wrqu->data.length;
 		compat_wrqu.flags = wrqu->data.flags;
-		memcpy(&compat_event->pointer,
-			((char *) &compat_wrqu) + IW_EV_COMPAT_POINT_OFF,
-			hdr_len - IW_EV_COMPAT_LCP_LEN);
+		memcpy(compat_event->ptr_bytes,
+		       ((char *)&compat_wrqu) + IW_EV_COMPAT_POINT_OFF,
+			ptr_len);
 		if (extra_len)
-			memcpy(((char *) compat_event) + hdr_len,
-				extra, extra_len);
+			memcpy(&compat_event->ptr_bytes[ptr_len],
+			       extra, extra_len);
 	} else {
 		/* extra_len must be zero, so no if (extra) needed */
-		memcpy(&compat_event->pointer, wrqu,
-			hdr_len - IW_EV_COMPAT_LCP_LEN);
+		memcpy(compat_event->ptr_bytes, wrqu, ptr_len);
 	}
 
 	nlmsg_end(compskb, nlh);