vnc: Plug minor memory leak in vnc_display_open()

vnc_display_print_local_addr() leaks the Error object when
qio_channel_socket_get_local_address() fails.  Seems unlikely.  Called
when we create a VNC display with vnc_display_open().  Plug the leak
by passing NULL to ignore the error.

Cc: Daniel P. Berrange <berrange@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200630090351.1247703-12-armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/ui/vnc.c b/ui/vnc.c
index 0702a76cce..527ad25124 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -3274,13 +3274,12 @@ int vnc_display_pw_expire(const char *id, time_t expires)
 static void vnc_display_print_local_addr(VncDisplay *vd)
 {
     SocketAddress *addr;
-    Error *err = NULL;
 
     if (!vd->listener || !vd->listener->nsioc) {
         return;
     }
 
-    addr = qio_channel_socket_get_local_address(vd->listener->sioc[0], &err);
+    addr = qio_channel_socket_get_local_address(vd->listener->sioc[0], NULL);
     if (!addr) {
         return;
     }