kernel/hibernate-Disable-in-a-signed-modules-environment.patch

From: Josh Boyer <jwboyer@fedoraproject.org>
Date: Fri, 20 Jun 2014 08:53:24 -0400
Subject: [PATCH] hibernate: Disable in a signed modules environment

There is currently no way to verify the resume image when returning
from hibernate.  This might compromise the signed modules trust model,
so until we can work with signed hibernate images we disable it in
a secure modules environment.

Signed-off-by: Josh Boyer <jwboyer@fedoraproject.org>
---
 kernel/power/hibernate.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index 2329daae5255..48a8e82c7e2e 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -29,6 +29,7 @@
 #include <linux/ctype.h>
 #include <linux/genhd.h>
 #include <linux/ktime.h>
+#include <linux/module.h>
 #include <trace/events/power.h>
 
 #include "power.h"
@@ -66,7 +67,7 @@ static const struct platform_hibernation_ops *hibernation_ops;
 
 bool hibernation_available(void)
 {
-	return (nohibernate == 0);
+	return ((nohibernate == 0) && !secure_modules());
 }
 
 /**