error: Use error_fatal to simplify obvious fatal errors (again)

We did this with scripts/coccinelle/use-error_fatal.cocci before, in
commit 50beeb68094 and 007b06578ab.  This commit cleans up rarer
variations that don't seem worth matching with Coccinelle.

Cc: Thomas Huth <thuth@redhat.com>
Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Juan Quintela <quintela@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Marc-André Lureau <marcandre.lureau@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210720125408.387910-2-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/ui/console.c b/ui/console.c
index 1103b65314..5d2e6178ff 100644
--- a/ui/console.c
+++ b/ui/console.c
@@ -1508,7 +1508,6 @@ void register_displaychangelistener(DisplayChangeListener *dcl)
         "This VM has no graphic display device.";
     static DisplaySurface *dummy;
     QemuConsole *con;
-    Error *err = NULL;
 
     assert(!dcl->ds);
 
@@ -1523,9 +1522,8 @@ void register_displaychangelistener(DisplayChangeListener *dcl)
         dcl->con->gl = dcl;
     }
 
-    if (dcl->con && !dpy_compatible_with(dcl->con, dcl, &err)) {
-        error_report_err(err);
-        exit(1);
+    if (dcl->con) {
+        dpy_compatible_with(dcl->con, dcl, &error_fatal);
     }
 
     trace_displaychangelistener_register(dcl, dcl->ops->dpy_name);