Re: [PATCH] hw/xen: clean up xen_block_find_free_vdev() to avoid Coverity false positive

[Paul Durrant <xadimgnik@xxxxxxxxx>]

On 09/11/2023 15:30, David Woodhouse wrote:
> From: David Woodhouse <dwmw@xxxxxxxxxxxx>
>
> Coverity couldn't see that nr_existing was always going to be zero when
> qemu_xen_xs_directory() returned NULL in the ENOENT case (CID 1523906).
>
> Perhaps more to the point, neither could Peter at first glance. Improve
> the code to hopefully make it clearer to Coverity and human reviewers
> alike.
>
> Signed-off-by: David Woodhouse <dwmw@xxxxxxxxxxxx>
> ---
>   hw/block/xen-block.c | 24 +++++++++++++++++++++---
>   1 file changed, 21 insertions(+), 3 deletions(-)
Reviewed-by: Paul Durrant <paul@xxxxxxx>