Re: [Qemu-devel] [PATCH v2 1/7] qcow2: Remove unused Error variable in do_perform_cow()

[Eric Blake]

On 06/07/2017 09:08 AM, Alberto Garcia wrote:
> We are using the return value of qcow2_encrypt_sectors() to detect
> problems but we are throwing away the returned Error since we have no
> way to report it to the user. Therefore we can simply get rid of the
> local Error variable and pass NULL instead.
> 
> Alternatively we could try to figure out a way to pass the original
> error instead of simply returning -EIO, but that would be more
> invasive, so let's keep the current approach.
> 
> Signed-off-by: Alberto Garcia <address@hidden>
> ---
>  block/qcow2-cluster.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)

Reviewed-by: Eric Blake <address@hidden>

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org

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