--- zzzz-none-000/linux-3.10.107/net/x25/x25_dev.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/net/x25/x25_dev.c	2021-02-04 17:41:59.000000000 +0000
@@ -17,6 +17,8 @@
  *      2000-09-04	Henner Eisen	Prevent freeing a dangling skb.
  */
 
+#define pr_fmt(fmt) "X25: " fmt
+
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
@@ -89,7 +91,7 @@
 */
 
 	if (frametype != X25_CLEAR_CONFIRMATION)
-		printk(KERN_DEBUG "x25_receive_data(): unknown frame type %2x\n",frametype);
+		pr_debug("x25_receive_data(): unknown frame type %2x\n",frametype);
 
 	return 0;
 }
@@ -114,7 +116,7 @@
 	 */
 	nb = x25_get_neigh(dev);
 	if (!nb) {
-		printk(KERN_DEBUG "X.25: unknown neighbour - %s\n", dev->name);
+		pr_debug("unknown neighbour - %s\n", dev->name);
 		goto drop;
 	}
 
@@ -154,7 +156,7 @@
 	switch (nb->dev->type) {
 	case ARPHRD_X25:
 		if ((skb = alloc_skb(1, GFP_ATOMIC)) == NULL) {
-			printk(KERN_ERR "x25_dev: out of memory\n");
+			pr_err("x25_dev: out of memory\n");
 			return;
 		}
 		ptr  = skb_put(skb, 1);
@@ -189,7 +191,7 @@
 
 	skb = alloc_skb(1, GFP_ATOMIC);
 	if (!skb) {
-		printk(KERN_ERR "x25_dev: out of memory\n");
+		pr_err("x25_dev: out of memory\n");
 		return;
 	}