[RFC V1 13/14] net: cleanup for precreate phase

[Steve Sistare <steven.sistare@oracle.com>]

Guard against unconfigured state if cleanup is called early, such as
during the precreate phase.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
---
 net/net.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/net.c b/net/net.c
index d9b23a8..207fdb0 100644
--- a/net/net.c
+++ b/net/net.c
@@ -1687,7 +1687,9 @@ void net_cleanup(void)
         }
     }
 
-    qemu_del_vm_change_state_handler(net_change_state_entry);
+    if (net_change_state_entry) {
+        qemu_del_vm_change_state_handler(net_change_state_entry);
+    }
 }
 
 void net_check_clients(void)
-- 
1.8.3.1