Re: [Qemu-devel] [Qemu-block] [PATCH v3 08/38] block: Invoke change media CB before NULLing drv

[Alberto Garcia]

On Wed 03 Jun 2015 09:43:49 PM CEST, Max Reitz <address@hidden> wrote:
> In order to handle host device passthrough, some guest device models
> may call blk_is_inserted() to check whether the medium is inserted on
> the host, when checking the guest tray status.
>
> This tray status is inquired by blk_dev_change_media_cb(); because
> bdrv_is_inserted() (invoked by blk_is_inserted()) always returns 0 for
> BDS with drv set to NULL, blk_dev_change_media_cb() should therefore be
> called before drv is set to NULL.
>
> Signed-off-by: Max Reitz <address@hidden>

Reviewed-by: Alberto Garcia <address@hidden>

Berto