diff --git a/net/x25/x25_facilities.c b/net/x25/x25_facilities.c
index b825325..7ecd04c 100644
--- a/net/x25/x25_facilities.c
+++ b/net/x25/x25_facilities.c
@@ -21,6 +21,8 @@
  *					on response.
  */
 
+#define pr_fmt(fmt) "X25: " fmt
+
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/skbuff.h>
@@ -109,7 +111,7 @@
 			case X25_MARKER:
 				break;
 			default:
-				printk(KERN_DEBUG "X.25: unknown facility "
+				pr_debug("unknown facility "
 				       "%02X, value %02X\n",
 				       p[0], p[1]);
 				break;
@@ -132,7 +134,7 @@
 				*vc_fac_mask |= X25_MASK_WINDOW_SIZE;
 				break;
 			default:
-				printk(KERN_DEBUG "X.25: unknown facility "
+				pr_debug("unknown facility "
 				       "%02X, values %02X, %02X\n",
 				       p[0], p[1], p[2]);
 				break;
@@ -143,7 +145,7 @@
 		case X25_FAC_CLASS_C:
 			if (len < 4)
 				return -1;
-			printk(KERN_DEBUG "X.25: unknown facility %02X, "
+			pr_debug("unknown facility %02X, "
 			       "values %02X, %02X, %02X\n",
 			       p[0], p[1], p[2], p[3]);
 			p   += 4;
@@ -172,7 +174,7 @@
 				*vc_fac_mask |= X25_MASK_CALLED_AE;
 				break;
 			default:
-				printk(KERN_DEBUG "X.25: unknown facility %02X,"
+				pr_debug("unknown facility %02X,"
 					"length %d\n", p[0], p[1]);
 				break;
 			}
@@ -341,12 +343,12 @@
 
 	if (!nb->extended) {
 		if (facilities->winsize_in  > 7) {
-			printk(KERN_DEBUG "X.25: incoming winsize limited to 7\n");
+			pr_debug("incoming winsize limited to 7\n");
 			facilities->winsize_in = 7;
 		}
 		if (facilities->winsize_out > 7) {
 			facilities->winsize_out = 7;
-			printk( KERN_DEBUG "X.25: outgoing winsize limited to 7\n");
+			pr_debug("outgoing winsize limited to 7\n");
 		}
 	}
 }