spapr.c: handle dev->id in spapr_memory_unplug_rollback()

As done in hw/acpi/memory_hotplug.c, pass an empty string if dev->id
is NULL to qapi_event_send_mem_unplug_error() to avoid relying on
a behavior that can be changed in the future.

Suggested-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20210907004755.424931-3-danielhb413@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Daniel Henrique Barboza 2021-09-06 21:47:50 -03:00 committed by David Gibson
parent 99b2c06225
commit 44d886abab

View File

@ -3690,7 +3690,7 @@ void spapr_memory_unplug_rollback(SpaprMachineState *spapr, DeviceState *dev)
*/
qapi_error = g_strdup_printf("Memory hotunplug rejected by the guest "
"for device %s", dev->id);
qapi_event_send_mem_unplug_error(dev->id, qapi_error);
qapi_event_send_mem_unplug_error(dev->id ? : "", qapi_error);
}
/* Callback to be called during DRC release. */