diff --git a/drivers/char/diag/diagchar_core.c b/drivers/char/diag/diagchar_core.c
index 290bc4bea57..0e1b445dcf9 100644
--- a/drivers/char/diag/diagchar_core.c
+++ b/drivers/char/diag/diagchar_core.c
@@ -1,4 +1,5 @@
-/* Copyright (c) 2008-2015, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2008-2015, 2017-2018 The Linux Foundation.
+ * All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -257,7 +258,7 @@ static int diagchar_open(struct inode *inode, struct file *file)
 fail:
 	driver->num_clients--;
 	mutex_unlock(&driver->diagchar_mutex);
-	pr_alert("diag: Insufficient memory for new client");
+	pr_err_ratelimited("diag: Insufficient memory for new client");
 	return -ENOMEM;
 }