Commit c993590c authored by Ulrich Obergfell's avatar Ulrich Obergfell Committed by Linus Torvalds

watchdog: implement error handling in lockup_detector_suspend()

lockup_detector_suspend() now handles errors from watchdog_park_threads().
Signed-off-by: default avatarUlrich Obergfell <uobergfe@redhat.com>
Reviewed-by: default avatarAaron Tomlin <atomlin@redhat.com>
Acked-by: default avatarDon Zickus <dzickus@redhat.com>
Cc: Ulrich Obergfell <uobergfe@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent b43cb43c
...@@ -707,6 +707,11 @@ int lockup_detector_suspend(void) ...@@ -707,6 +707,11 @@ int lockup_detector_suspend(void)
if (ret == 0) if (ret == 0)
watchdog_suspended++; watchdog_suspended++;
else {
watchdog_disable_all_cpus();
pr_err("Failed to suspend lockup detectors, disabled\n");
watchdog_enabled = 0;
}
mutex_unlock(&watchdog_proc_mutex); mutex_unlock(&watchdog_proc_mutex);
......
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