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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Geert Uytterhoeven <geert@linux-m68k.org>,
        Nayna Jain <nayna@linux.ibm.com>,
        James Morris <jamorris@linux.microsoft.com>,
        Mimi Zohar <zohar@linux.ibm.com>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.1 104/371] integrity: Fix __integrity_init_keyring() section mismatch
Date:   Wed, 24 Jul 2019 21:17:36 +0200
Message-Id: <20190724191732.676878464@linuxfoundation.org>
In-Reply-To: <20190724191724.382593077@linuxfoundation.org>
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[ Upstream commit 8c655784e2cf59cb6140759b8b546d98261d1ad9 ]

With gcc-4.6.3:

    WARNING: vmlinux.o(.text.unlikely+0x24c64): Section mismatch in reference from the function __integrity_init_keyring() to the function .init.text:set_platform_trusted_keys()
    The function __integrity_init_keyring() references
    the function __init set_platform_trusted_keys().
    This is often because __integrity_init_keyring lacks a __init
    annotation or the annotation of set_platform_trusted_keys is wrong.

Indeed, if the compiler decides not to inline __integrity_init_keyring(),
a warning is issued.

Fix this by adding the missing __init annotation.

Fixes: 9dc92c45177ab70e ("integrity: Define a trusted platform keyring")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Nayna Jain <nayna@linux.ibm.com>
Reviewed-by: James Morris <jamorris@linux.microsoft.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 security/integrity/digsig.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/security/integrity/digsig.c b/security/integrity/digsig.c
index e19c2eb72c51..37869214c243 100644
--- a/security/integrity/digsig.c
+++ b/security/integrity/digsig.c
@@ -73,8 +73,9 @@ int integrity_digsig_verify(const unsigned int id, const char *sig, int siglen,
 	return -EOPNOTSUPP;
 }
 
-static int __integrity_init_keyring(const unsigned int id, key_perm_t perm,
-				    struct key_restriction *restriction)
+static int __init __integrity_init_keyring(const unsigned int id,
+					   key_perm_t perm,
+					   struct key_restriction *restriction)
 {
 	const struct cred *cred = current_cred();
 	int err = 0;
-- 
2.20.1