[PATCH 4/5] watchdog: implement error handling in lockup_detector_suspend()

From	Ulrich Obergfell <uobergfe@redhat.com>
Newsgroups	linux.kernel
Subject	[PATCH 4/5] watchdog: implement error handling in lockup_detector_suspend()
Date	2015-09-28 22:50 +0200
Message-ID	<qdNx1-23T-19@gated-at.bofh.it> (permalink)
References	<qdNx0-23T-15@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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lockup_detector_suspend() now handles errors from watchdog_park_threads().

Signed-off-by: Ulrich Obergfell <uobergfe@redhat.com>
---
 kernel/watchdog.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 457113c..3bc22a9 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -707,6 +707,11 @@ int lockup_detector_suspend(void)
 
 	if (ret == 0)
 		watchdog_suspended++;
+	else {
+		watchdog_disable_all_cpus();
+		pr_err("Failed to suspend lockup detectors, disabled\n");
+		watchdog_enabled = 0;
+	}
 
 	mutex_unlock(&watchdog_proc_mutex);
 
-- 
1.7.11.7

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[PATCH 4/5] watchdog: implement error handling in lockup_detector_suspend() Ulrich Obergfell <uobergfe@redhat.com> - 2015-09-28 22:50 +0200
  Re: [PATCH 4/5] watchdog: implement error handling in  lockup_detector_suspend() Aaron Tomlin <atomlin@redhat.com> - 2015-09-29 08:50 +0200

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