diff --git a/net/tipc/dbg.c b/net/tipc/dbg.c
index 4f4beef..26ef95d 100644
--- a/net/tipc/dbg.c
+++ b/net/tipc/dbg.c
@@ -81,7 +81,7 @@
 
 	pb->crs = pb->buf = raw;
 	pb->size = sz;
-	pb->next = 0;
+	pb->next = NULL;
 	pb->buf[0] = 0;
 	pb->buf[sz-1] = ~0;
 }
@@ -216,7 +216,7 @@
                         }
                 }
 		pb_next = pb->next;
-		pb->next = 0;
+		pb->next = NULL;
 		pb = pb_next;
 	}
 	spin_unlock_bh(&print_lock);