qemuMonitorJSONSendKey: Avoid double free

After successful @cmd construction the memory where @keys points to is
part of @cmd. Avoid double freeing it.
(cherry picked from commit 3e8343e1510741623aa5bc1dfb74ec39fde868dd)

diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index 88a0dc9dfbfd362aef0eef4721b5d019dae5f610..ab9d451dd216eb462072eff0b290e0bfb7f2d64c 100644 (file)
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -3440,6 +3440,9 @@ int qemuMonitorJSONSendKey(qemuMonitorPtr mon,
     if (!cmd)
         goto cleanup;
 
+    /* @keys is part of @cmd now. Avoid double free */
+    keys = NULL;
+
     if ((ret = qemuMonitorJSONCommand(mon, cmd, &reply)) < 0)
         goto cleanup;