tomoyo: Use sensible time interface

There is no point in calling gettimeofday if only the seconds part of
the timespec is used. Use get_seconds() instead. It's not only the
proper interface it's also faster.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Kentaro Takeda <takedakn@nttdata.co.jp>
Cc: linux-security-module@vger.kernel.org
Link: http://lkml.kernel.org/r/20140611234607.775273584@linutronix.de

2 files changed, 4 insertions, 8 deletions

diff --git a/security/tomoyo/audit.c b/security/tomoyo/audit.c
index c1b00375c9ad..3ffa4f5509d8 100644
--- a/security/tomoyo/audit.c
+++ b/security/tomoyo/audit.c
@@ -155,11 +155,9 @@ static char *tomoyo_print_header(struct tomoyo_request_info *r)
         u8 i;
         if (!buffer)
                 return NULL;
-        {
-                struct timeval tv;
-                do_gettimeofday(&tv);
-                tomoyo_convert_time(tv.tv_sec, &stamp);
-        }
+
+        tomoyo_convert_time(get_seconds(), &stamp);
+
         pos = snprintf(buffer, tomoyo_buffer_len - 1,
                        "#%04u/%02u/%02u %02u:%02u:%02u# profile=%u mode=%s "
                        "granted=%s (global-pid=%u) task={ pid=%u ppid=%u "
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index 283862aebdc8..e0fb75052550 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -2267,13 +2267,11 @@ static unsigned int tomoyo_stat_modified[TOMOYO_MAX_POLICY_STAT];
  */
 void tomoyo_update_stat(const u8 index)
 {
-        struct timeval tv;
-        do_gettimeofday(&tv);
         /*
          * I don't use atomic operations because race condition is not fatal.
          */
         tomoyo_stat_updated[index]++;
-        tomoyo_stat_modified[index] = tv.tv_sec;
+        tomoyo_stat_modified[index] = get_seconds();
 }
 
 /**