[PATCH 41/60] system: make qemu_del_vm_change_state_handler accept NULL

[Marc-André Lureau]

For convenience.

Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
---
 system/runstate.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/system/runstate.c b/system/runstate.c
index 77cb14ae028..7d8bdf62dd6 100644
--- a/system/runstate.c
+++ b/system/runstate.c
@@ -349,6 +349,9 @@ VMChangeStateEntry 
*qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
 
 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
 {
+    if (!e) {
+        return;
+    }
     QTAILQ_REMOVE(&vm_change_state_head, e, entries);
     g_free(e);
 }

-- 
2.53.0