From: Marcin Slusarz <[email protected]>

Signed-off-by: Marcin Slusarz <[email protected]>
Cc: Don Zickus <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: [email protected]
[ add {}'s to fix a warning ]
Signed-off-by: Don Zickus <[email protected]>
---
 kernel/watchdog.c |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 38af39a..6b16cb1 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -493,10 +493,12 @@ int proc_dowatchdog_enabled(struct ctl_table *table, int 
write,
 {
        proc_dointvec(table, write, buffer, length, ppos);
 
-       if (watchdog_enabled)
-               watchdog_enable_all_cpus();
-       else
-               watchdog_disable_all_cpus();
+       if (write) {
+               if (watchdog_enabled)
+                       watchdog_enable_all_cpus();
+               else
+                       watchdog_disable_all_cpus();
+       }
        return 0;
 }
 
-- 
1.7.3.4

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