Re: [qxl] Don't leak ARGB cursor data bo

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Nice one! ACK

On Tue, Mar 24, 2015 at 2:21 PM, Christophe Fergeau <cfergeau@xxxxxxxxxx> wrote:
> qxl_load_cursor_argb() owns 2 references on the cursor_bo it creates:
> - one from the call to bo_alloc()
> - the second from a call to bo_output_bo_reloc()
>
> qxl_garbage_collect() release one of these refs, but the other one is
> never released, so ARGB cursor bos are leaked. This can cause out of
> memory issues, for example when running EL6 anaconda installer on a 2TB
> disk image (see bug https://bugzilla.redhat.com/show_bug.cgi?id=1199355
> ).
>
> This commit release the extra ref right after calling push_cursor().
> This is similar to what is done in qxl_surface_put_image().
> ---
>  src/qxl_cursor.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/src/qxl_cursor.c b/src/qxl_cursor.c
> index d246594..e29a1ac 100644
> --- a/src/qxl_cursor.c
> +++ b/src/qxl_cursor.c
> @@ -138,6 +138,7 @@ qxl_load_cursor_argb (ScrnInfoPtr pScrn, CursorPtr pCurs)
>      qxl->bo_funcs->bo_unmap(cmd_bo);
>
>      push_cursor(qxl, cmd_bo);
> +    qxl->bo_funcs->bo_decref(qxl, cursor_bo);
>  }
>
>  static Bool
> --
> 2.3.3
>
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-- 
Marc-André Lureau
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