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-rw-r--r--kernel/watchdog.c20
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,