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portio: keep references on portio

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The isa_register_portio_list() function allocates ioports
data/state. Let's keep the reference to this data on some owner.  This
isn't enough to fix leaks, but at least, ASAN stops complaining of
direct leaks. Further cleanup would require calling
portio_list_del/destroy().

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Marc-André Lureau 2016-07-13 02:11:59 +02:00
parent bd794065ff
commit e305a16510
11 changed files with 41 additions and 22 deletions
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6
hw/dma/i8257.c
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@ -553,10 +553,12 @@ static void i8257_realize(DeviceState *dev, Error **errp)
memory_region_add_subregion(isa_address_space_io(isa),
d->base, &d->channel_io);
isa_register_portio_list(isa, d->page_base, page_portio_list, d,
isa_register_portio_list(isa, &d->portio_page,
d->page_base, page_portio_list, d,
"dma-page");
if (d->pageh_base >= 0) {
isa_register_portio_list(isa, d->pageh_base, pageh_portio_list, d,
isa_register_portio_list(isa, &d->portio_pageh,
d->pageh_base, pageh_portio_list, d,
"dma-pageh");
}