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[PULL,6/8] migration: Reset rather than destroy main_thread_load_event

Message ID 20170906184133.25524-7-dgilbert@redhat.com
State New
Headers show
Series [PULL,1/8] migration: Report when bdrv_inactivate_all fails | expand

Commit Message

Dr. David Alan Gilbert Sept. 6, 2017, 6:41 p.m. UTC 
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>

migration_incoming_state_destroy doesn't really destroy, it cleans up.
After a loadvm it's called, but the loadvm command can be run twice,
and so destroying an init-once mutex breaks on the second loadvm.

Reported-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20170825141940.20740-2-dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Tested-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
---
 migration/migration.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/migration/migration.c b/migration/migration.c
index 1a2b3ebd1a..9838ccc885 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -166,7 +166,7 @@  void migration_incoming_state_destroy(void)
         mis->from_src_file = NULL;
     }
 
-    qemu_event_destroy(&mis->main_thread_load_event);
+    qemu_event_reset(&mis->main_thread_load_event);
 }
 
 static void migrate_generate_event(int new_state)