TOMOYO: Fix incorrect enforce mode.

In tomoyo_get_mode() since 2.6.36, CONFIG::file::execute was by error used in
place of CONFIG::file if CONFIG::file::execute was set to other than default.
As a result, enforcing mode was not applied in a way documentation says.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>

security/tomoyo/util.c

@@ -925,7 +925,8 @@ int tomoyo_get_mode(const struct tomoyo_policy_namespace *ns, const u8 profile,
 		return TOMOYO_CONFIG_DISABLED;
 	mode = tomoyo_profile(ns, profile)->config[index];
 	if (mode == TOMOYO_CONFIG_USE_DEFAULT)
-		mode = tomoyo_profile(ns, profile)->config[category];
+		mode = tomoyo_profile(ns, profile)->config
+			[category + TOMOYO_MAX_MAC_INDEX];
 	if (mode == TOMOYO_CONFIG_USE_DEFAULT)
 		mode = tomoyo_profile(ns, profile)->default_config;
 	return mode & 3;