shell: validate create_focus_surface results

Signed-off-by: U. Artie Eoff <ullysses.a.eoff@intel.com>
This commit is contained in:
U. Artie Eoff 2014-01-15 14:45:59 -08:00 committed by Kristian Høgsberg
parent b571910584
commit 0b23b2bd58

View file

@ -525,7 +525,12 @@ create_focus_surface(struct weston_compositor *ec,
surface->output = output;
surface->configure_private = fsurf;
fsurf->view = weston_view_create (surface);
fsurf->view = weston_view_create(surface);
if (fsurf->view == NULL) {
weston_surface_destroy(surface);
free(fsurf);
return NULL;
}
fsurf->view->output = output;
weston_surface_set_size(surface, output->width, output->height);
@ -719,9 +724,17 @@ animate_focus_change(struct desktop_shell *shell, struct workspace *ws,
output = get_default_output(shell->compositor);
if (ws->fsurf_front == NULL && (from || to)) {
ws->fsurf_front = create_focus_surface(shell->compositor, output);
ws->fsurf_back = create_focus_surface(shell->compositor, output);
if (ws->fsurf_front == NULL)
return;
ws->fsurf_front->view->alpha = 0.0;
ws->fsurf_back = create_focus_surface(shell->compositor, output);
if (ws->fsurf_back == NULL) {
focus_surface_destroy(ws->fsurf_front);
return;
}
ws->fsurf_back->view->alpha = 0.0;
focus_surface_created = true;
} else {
wl_list_remove(&ws->fsurf_front->view->layer_link);