[tip:timers/core] clocksource: clocksource_select must be called with mutex locked

tip-bot for Thomas Gleixner
2009-09-14T20:04:28Z

Commit-ID: e6c733050faa93ce616bfedccd279ab12cffdd7b
Gitweb: http://git.kernel.org/tip/e6c733050faa93ce616bfedccd279ab12cffdd7b
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Mon, 14 Sep 2009 19:51:11 +0200
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Mon, 14 Sep 2009 21:59:32 +0200

clocksource: clocksource_select must be called with mutex locked

The callers of clocksource_select must hold clocksource_mutex to
protect the clocksource_list.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
LKML-Reference: <new-submission>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>

---
kernel/time/clocksource.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 5697155..2c2e5ba 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -471,7 +471,9 @@ static void clocksource_select(void)
static int __init clocksource_done_booting(void)
{
finished_booting = 1;
+ mutex_lock(&clocksource_mutex);
clocksource_select();
+ mutex_unlock(&clocksource_mutex);
return 0;
}
fs_initcall(clocksource_done_booting);