watchdog: move definition of 'watchdog_proc_mutex' outside of proc_dowatchdog()

[linux-block.git] / kernel / watchdog.c

diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index dcc4990097a21a2cc100de376149b77c4d180e42..28c833b421245f4a7a5f591dfa76aa96834836a9 100644 (file)
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -701,6 +701,8 @@ static int proc_watchdog_update(void)
 
 }
 
+static DEFINE_MUTEX(watchdog_proc_mutex);
+
 /*
  * proc handler for /proc/sys/kernel/nmi_watchdog,watchdog_thresh
  */
@@ -710,7 +712,6 @@ int proc_dowatchdog(struct ctl_table *table, int write,
 {
        int err, old_thresh, old_enabled;
        bool old_hardlockup;
-       static DEFINE_MUTEX(watchdog_proc_mutex);
 
        mutex_lock(&watchdog_proc_mutex);
        old_thresh = ACCESS_ONCE(watchdog_thresh);