Re: [PATCH] KVM: s390: kvm_s390_vm_start_migration: check dirty_bitmap before using it as target for memset()

[Heiko Carstens <heiko.carstens@xxxxxxxxxx>]

On Tue, Sep 10, 2019 at 09:02:15AM -0400, Igor Mammedov wrote:
> Make sure that ms->dirty_bitmap is set before using it or
> print a warning and return -ENIVAL otherwise.
...
> v2:
>    - drop WARN()
...
> +		if (!ms->dirty_bitmap)
> +			return -EINVAL;

The patch description needs an update. ;)