linux-kernel - [PATCH] security: export security_kernel_load_data to fix firmware

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Message-ID: <7a8dd892-39ec-3973-5f41-5ec23f1feb3f@infradead.org>
Date:   Thu, 19 Jul 2018 13:15:52 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     LKML <linux-kernel@...r.kernel.org>,
        linux-security-module <linux-security-module@...r.kernel.org>,
        James Morris <jmorris@...ei.org>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        "Luis R. Rodriguez" <mcgrof@...nel.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH] security: export security_kernel_load_data to fix
 firmware_loader build

From: Randy Dunlap <rdunlap@...radead.org>

Fix build error when CONFIG_FW_LOADER=m, CONFIG_FW_LOADER_USER_HELPER=y,
CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y, and CONFIG_SECURITY=y:

ERROR: "security_kernel_load_data" [drivers/base/firmware_loader/firmware_class.ko] undefined!

Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: James Morris <jmorris@...ei.org>
Cc: "Serge E. Hallyn" <serge@...lyn.com>
Cc: linux-security-module@...r.kernel.org
Cc: Luis R. Rodriguez <mcgrof@...nel.org>
---
 security/security.c |    1 +
 1 file changed, 1 insertion(+)

--- linux-next-20180717.orig/security/security.c
+++ linux-next-20180717/security/security.c
@@ -1121,6 +1121,7 @@ int security_kernel_load_data(enum kerne
 		return ret;
 	return ima_load_data(id);
 }
+EXPORT_SYMBOL_GPL(security_kernel_load_data);
 
 int security_task_fix_setuid(struct cred *new, const struct cred *old,
 			     int flags)