[12/23] multipathd: unwatch_all_dmevents: check if waiter is initialized

Commit Message

Martin Wilck Sept. 24, 2020, 1:40 p.m. UTC

From: Martin Wilck <[e-mail]>

Signed-off-by: Martin Wilck <[e-mail]>
---
 multipathd/dmevents.c | 2 ++
 1 file changed, 2 insertions(+)

Patch

diff --git a/multipathd/dmevents.c b/multipathd/dmevents.c
index b561cbf..f52f597 100644
--- a/multipathd/dmevents.c
+++ b/multipathd/dmevents.c
@@ -257,6 +257,8 @@  void unwatch_all_dmevents(void)
 	struct dev_event *dev_evt;
 	int i;
 
+	if (!waiter)
+		return;
 	pthread_mutex_lock(&waiter->events_lock);
 	vector_foreach_slot(waiter->events, dev_evt, i)
 		free(dev_evt);