1 files changed, 20 insertions, 22 deletions

diff --git a/drivers/w1/w1_netlink.c b/drivers/w1/w1_netlink.c
index 691978cddab7..e6b59d921076 100644
--- a/drivers/w1/w1_netlink.c
+++ b/drivers/w1/w1_netlink.c
@@ -194,16 +194,16 @@ static void w1_netlink_queue_status(struct w1_cb_block *block,
 static void w1_netlink_send_error(struct cn_msg *cn, struct w1_netlink_msg *msg,
 	int portid, int error)
 {
-	struct {
-		struct cn_msg cn;
-		struct w1_netlink_msg msg;
-	} packet;
-	memcpy(&packet.cn, cn, sizeof(packet.cn));
-	memcpy(&packet.msg, msg, sizeof(packet.msg));
-	packet.cn.len = sizeof(packet.msg);
-	packet.msg.len = 0;
-	packet.msg.status = (u8)-error;
-	cn_netlink_send(&packet.cn, portid, 0, GFP_KERNEL);
+	DEFINE_RAW_FLEX(struct cn_msg, packet, data,
+			sizeof(struct w1_netlink_msg));
+	struct w1_netlink_msg *pkt_msg = (struct w1_netlink_msg *)packet->data;
+
+	*packet = *cn;
+	*pkt_msg = *msg;
+	packet->len = sizeof(*pkt_msg);
+	pkt_msg->len = 0;
+	pkt_msg->status = (u8)-error;
+	cn_netlink_send(packet, portid, 0, GFP_KERNEL);
 }
 
 /**
@@ -215,22 +215,20 @@ static void w1_netlink_send_error(struct cn_msg *cn, struct w1_netlink_msg *msg,
  */
 void w1_netlink_send(struct w1_master *dev, struct w1_netlink_msg *msg)
 {
-	struct {
-		struct cn_msg cn;
-		struct w1_netlink_msg msg;
-	} packet;
-	memset(&packet, 0, sizeof(packet));
+	DEFINE_RAW_FLEX(struct cn_msg, packet, data,
+			sizeof(struct w1_netlink_msg));
+	struct w1_netlink_msg *pkt_msg = (struct w1_netlink_msg *)packet->data;
 
-	packet.cn.id.idx = CN_W1_IDX;
-	packet.cn.id.val = CN_W1_VAL;
+	packet->id.idx = CN_W1_IDX;
+	packet->id.val = CN_W1_VAL;
 
-	packet.cn.seq = dev->seq++;
-	packet.cn.len = sizeof(*msg);
+	packet->seq = dev->seq++;
+	packet->len = sizeof(*msg);
 
-	memcpy(&packet.msg, msg, sizeof(*msg));
-	packet.msg.len = 0;
+	*pkt_msg = *msg;
+	pkt_msg->len = 0;
 
-	cn_netlink_send(&packet.cn, 0, 0, GFP_KERNEL);
+	cn_netlink_send(packet, 0, 0, GFP_KERNEL);
 }
 
 static void w1_send_slave(struct w1_master *dev, u64 rn)