TOMOYO: Allow reading only execute permission.

Policy editor needs to know allow_execute entries in order to build domain
transition tree. Reading all entries is slow. Thus, allow reading only
allow_execute entries.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
diff --git a/security/tomoyo/common.h b/security/tomoyo/common.h
index cdc9ef5..67b9aea 100644
--- a/security/tomoyo/common.h
+++ b/security/tomoyo/common.h
@@ -571,6 +571,8 @@
 	bool read_single_domain;
 	/* Extra variable for reading.          */
 	u8 read_bit;
+	/* Read only TOMOYO_TYPE_EXECUTE        */
+	bool print_execute_only;
 	/* Bytes available for reading.         */
 	int read_avail;
 	/* Size of read buffer.                 */