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-rw-r--r--kernel/watchdog.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 568ba64b22d6..284f0e62a927 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -914,13 +914,14 @@ int proc_watchdog_thresh(struct ctl_table *table, int write,
goto out;
/*
- * Update the sample period.
- * Restore 'watchdog_thresh' on failure.
+ * Update the sample period. Restore on failure.
*/
set_sample_period();
err = proc_watchdog_update();
- if (err)
+ if (err) {
watchdog_thresh = old;
+ set_sample_period();
+ }
out:
mutex_unlock(&watchdog_proc_mutex);
return err;