[libvirt] [PATCH] qemu: Fix persistent migration of transient domains

[Pavel Hrdina]

On Tue, May 02, 2017 at 06:32:19PM +0200, Jiri Denemark wrote:
> While fixing a bug with incorrectly freed memory in commit
> v3.1.0-399-g5498aa29a, I accidentally broke persistent migration of
> transient domains. Before adding qemuDomainDefCopy in the path, the code
> just took NULL from vm->newDef and used it as the persistent def, which
> resulted in no persistent XML being sent in the migration cookie. This
> scenario is perfectly valid and the destination correctly handles it by
> using the incoming live definition and storing it as the persistent one.
> 
> After the mentioned commit libvirtd would just segfault in the described
> scenario.
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=1446205
> 
> Signed-off-by: Jiri Denemark <jdenemar at redhat.com>
> ---
>  src/qemu/qemu_migration.c | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)

Reviewed-by: Pavel Hrdina <phrdina at redhat.com>
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