linux-kernel - linux-next: build failure after merge of the security tree

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Date:   Mon, 12 Aug 2019 14:58:23 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     James Morris <jmorris@...ei.org>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Matthew Garrett <mjg59@...gle.com>,
        Kees Cook <keescook@...omium.org>,
        Casey Schaufler <casey@...aufler-ca.com>
Subject: linux-next: build failure after merge of the security tree

Hi all,

After merging the security tree, today's linux-next build (arm
multi_v7_defconfig) failed like below.

Caused by commit

  45d29f9e9b8b ("security: Support early LSMs")

I have added the following fix for today:

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Mon, 12 Aug 2019 14:54:20 +1000
Subject: [PATCH] early_security_init() needs a stub got !CONFIG_SECURITY

An arm multi_v7_defconfig fails like this:

init/main.c: In function 'start_kernel':
init/main.c:596:2: error: implicit declaration of function 'early_security_init'; did you mean 'security_init'? [-Werror=implicit-function-declaration]
  early_security_init();
  ^~~~~~~~~~~~~~~~~~~
  security_init

Fixes: 45d29f9e9b8b ("security: Support early LSMs")
Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 include/linux/security.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/security.h b/include/linux/security.h
index 807dc0d24982..23e1c3f17d48 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -473,6 +473,11 @@ static inline int security_init(void)
 	return 0;
 }
 
+static inline int early_security_init(void)
+{
+	return 0;
+}
+
 static inline int security_binder_set_context_mgr(struct task_struct *mgr)
 {
 	return 0;
-- 
2.20.1

-- 
Cheers,
Stephen Rothwell

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