diff --git a/drivers/net/ieee802154/mcr20a.c b/drivers/net/ieee802154/mcr20a.c
index 17f2300e63eed773832d7bb73985b86d562b9508..8dc04e2590b18b1b41239c4ebf8ac1382942a8d5 100644
--- a/drivers/net/ieee802154/mcr20a.c
+++ b/drivers/net/ieee802154/mcr20a.c
@@ -800,7 +800,7 @@ mcr20a_handle_rx_read_buf_complete(void *context)
 	if (!skb)
 		return;
 
-	memcpy(skb_put(skb, len), lp->rx_buf, len);
+	__skb_put_data(skb, lp->rx_buf, len);
 	ieee802154_rx_irqsafe(lp->hw, skb, lp->rx_lqi[0]);
 
 	print_hex_dump_debug("mcr20a rx: ", DUMP_PREFIX_OFFSET, 16, 1,