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ide: core: add cleanup function

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As the pci ahci can be hotplug and unplug, in the ahci unrealize
function it should free all the resource once allocated in the
realized function. This patch add ide_exit to free the resource.

Signed-off-by: Li Qiang <liqiang6-s@360.cn>
Message-id: 1488449293-80280-3-git-send-email-liqiang6-s@360.cn
Signed-off-by: John Snow <jsnow@redhat.com>
This commit is contained in:
Li Qiang 2017-03-15 20:50:14 -04:00 committed by John Snow
parent 44a109c1b3
commit c9f086418a
2 changed files with 9 additions and 0 deletions
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8
hw/ide/core.c
View File

@ -2603,6 +2603,14 @@ void ide_init2(IDEBus *bus, qemu_irq irq)
bus->dma = &ide_dma_nop;
}
void ide_exit(IDEState *s)
{
timer_del(s->sector_write_timer);
timer_free(s->sector_write_timer);
qemu_vfree(s->smart_selftest_data);
qemu_vfree(s->io_buffer);
}
static const MemoryRegionPortio ide_portio_list[] = {
{ 0, 8, 1, .read = ide_ioport_read, .write = ide_ioport_write },
{ 0, 1, 2, .read = ide_data_readw, .write = ide_data_writew },

1
include/hw/ide/internal.h
View File

@ -607,6 +607,7 @@ int ide_init_drive(IDEState *s, BlockBackend *blk, IDEDriveKind kind,
uint32_t cylinders, uint32_t heads, uint32_t secs,
int chs_trans);
void ide_init2(IDEBus *bus, qemu_irq irq);
void ide_exit(IDEState *s);
void ide_init_ioport(IDEBus *bus, ISADevice *isa, int iobase, int iobase2);
void ide_register_restart_cb(IDEBus *bus);