TOMOYO: Remove unused mutex.

I forgot to remove on TOMOYO's 15th posting.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/security/tomoyo/domain.c b/security/tomoyo/domain.c
index 2d6748741a26..ee43631f049b 100644
--- a/security/tomoyo/domain.c
+++ b/security/tomoyo/domain.c
@@ -296,7 +296,6 @@ static int tomoyo_update_domain_keeper_entry(const char *domainname,
         struct tomoyo_domain_keeper_entry *ptr;
         const struct tomoyo_path_info *saved_domainname;
         const struct tomoyo_path_info *saved_program = NULL;
-        static DEFINE_MUTEX(lock);
         int error = -ENOMEM;
         bool is_last_name = false;