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Re: [Qemu-devel] [PATCH v2] migration: fix crash in when incoming client

From: Eric Blake
Subject: Re: [Qemu-devel] [PATCH v2] migration: fix crash in when incoming client channel setup fails
Date: Tue, 19 Jun 2018 13:18:24 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0

On 06/19/2018 11:35 AM, Daniel P. Berrangé wrote:
The way we determine if we can start the incoming migration was
changed to use migration_has_all_channels() in:

   commit 428d89084c709e568f9cd301c2f6416a54c53d6d
   Author: Juan Quintela <address@hidden>
   Date:   Mon Jul 24 13:06:25 2017 +0200

     migration: Create migration_has_all_channels

This method in turn calls multifd_recv_all_channels_created()
which is hardcoded to always return 'true' when multifd is
not in use. This is a latent bug...

...activated in in a following commit where that return result

s/in in/in/

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

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