diff options
| -rw-r--r-- | kernel/watchdog.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/kernel/watchdog.c b/kernel/watchdog.c index a06972d71060..cf0e09f452e7 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -507,15 +507,19 @@ static void watchdog_disable_all_cpus(void) int proc_dowatchdog_enabled(struct ctl_table *table, int write, void __user *buffer, size_t *length, loff_t *ppos) { - proc_dointvec(table, write, buffer, length, ppos); + int ret; - if (write) { - if (watchdog_enabled) - watchdog_enable_all_cpus(); - else - watchdog_disable_all_cpus(); - } - return 0; + ret = proc_dointvec(table, write, buffer, length, ppos); + if (ret || !write) + goto out; + + if (watchdog_enabled) + watchdog_enable_all_cpus(); + else + watchdog_disable_all_cpus(); + +out: + return ret; } int proc_dowatchdog_thresh(struct ctl_table *table, int write, |