--- zzzz-none-000/linux-3.10.107/net/x25/x25_in.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/net/x25/x25_in.c	2021-02-04 17:41:59.000000000 +0000
@@ -23,6 +23,8 @@
  *					  i-frames.
  */
 
+#define pr_fmt(fmt) "X25: " fmt
+
 #include <linux/slab.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
@@ -77,7 +79,7 @@
 	skb_set_owner_r(skbn, sk);
 	skb_queue_tail(&sk->sk_receive_queue, skbn);
 	if (!sock_flag(sk, SOCK_DEAD))
-		sk->sk_data_ready(sk, skbn->len);
+		sk->sk_data_ready(sk);
 
 	return 0;
 }
@@ -317,7 +319,7 @@
 			break;
 
 		default:
-			printk(KERN_WARNING "x25: unknown %02X in state 3\n", frametype);
+			pr_warn("unknown %02X in state 3\n", frametype);
 			break;
 	}