From 99b0278f95fc9d55adf65133dc678167a88b632a Mon Sep 17 00:00:00 2001
From: Jeff Dike <jdike@addtoit.com>
Date: Sat, 10 Feb 2007 01:44:05 -0800
Subject: [PATCH] [PATCH] uml: locking commentary in the random driver

Comment the lack of locking.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 arch/um/drivers/random.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c
index 73b2bdd6d2d3..e942e836f995 100644
--- a/arch/um/drivers/random.c
+++ b/arch/um/drivers/random.c
@@ -78,6 +78,7 @@ static const struct file_operations rng_chrdev_ops = {
 	.read		= rng_dev_read,
 };
 
+/* rng_init shouldn't be called more than once at boot time */
 static struct miscdevice rng_miscdev = {
 	RNG_MISCDEV_MINOR,
 	RNG_MODULE_NAME,
-- 
2.20.1