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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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9
hw/audio/gus.c
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@ -60,6 +60,8 @@ typedef struct GUSState {
int64_t last_ticks;
qemu_irq pic;
IsaDma *isa_dma;
PortioList portio_list1;
PortioList portio_list2;
} GUSState;
static uint32_t gus_readb(void *opaque, uint32_t nport)
@ -265,9 +267,10 @@ static void gus_realizefn (DeviceState *dev, Error **errp)
s->samples = AUD_get_buffer_size_out (s->voice) >> s->shift;
s->mixbuf = g_malloc0 (s->samples << s->shift);
isa_register_portio_list (d, s->port, gus_portio_list1, s, "gus");
isa_register_portio_list (d, (s->port + 0x100) & 0xf00,
gus_portio_list2, s, "gus");
isa_register_portio_list(d, &s->portio_list1, s->port,
gus_portio_list1, s, "gus");
isa_register_portio_list(d, &s->portio_list2, (s->port + 0x100) & 0xf00,
gus_portio_list2, s, "gus");
s->isa_dma = isa_get_dma(isa_bus_from_device(d), s->emu.gusdma);
k = ISADMA_GET_CLASS(s->isa_dma);