[PATCH weston 2/2] compositor-wayland: Destroy cursor images earlier

Dima Ryazanov dima at gmail.com
Tue Nov 29 00:10:27 UTC 2016


On Thu, Nov 24, 2016 at 7:32 AM, Daniel Stone <daniels at collabora.com> wrote:

> Destroying a wl_cursor will attempt to access the wl_display, which
> we have just freed. Avoid a segfault by destroying the cursor images
> before we destroy the display.
>
> Signed-off-by: Daniel Stone <daniels at collabora.com>
>

Yep, fixes the crash for me.

Reviewed-by: Dima Ryazanov <dima at gmail.com>

---
>  libweston/compositor-wayland.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/libweston/compositor-wayland.c b/libweston/compositor-
> wayland.c
> index d9cbde5..aa69c68 100644
> --- a/libweston/compositor-wayland.c
> +++ b/libweston/compositor-wayland.c
> @@ -2368,10 +2368,6 @@ wayland_destroy(struct weston_compositor *ec)
>         if (b->parent.compositor)
>                 wl_compositor_destroy(b->parent.compositor);
>
> -       wl_registry_destroy(b->parent.registry);
> -       wl_display_flush(b->parent.wl_display);
> -       wl_display_disconnect(b->parent.wl_display);
> -
>         if (b->theme)
>                 theme_destroy(b->theme);
>
> @@ -2380,6 +2376,10 @@ wayland_destroy(struct weston_compositor *ec)
>
>         wl_cursor_theme_destroy(b->cursor_theme);
>
> +       wl_registry_destroy(b->parent.registry);
> +       wl_display_flush(b->parent.wl_display);
> +       wl_display_disconnect(b->parent.wl_display);
> +
>         free(b);
>  }
>
> --
> 2.9.3
>
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