musicpal: Use ptimer_free() in the finalize function to avoid memleaks
When running device-introspect-test, a memory leak occurred in the mv88w8618_pit_init function, so use ptimer_free() in the finalize function to avoid it. ASAN shows memory leak stack: Indirect leak of 192 byte(s) in 4 object(s) allocated from: #0 0xffffab97e1f0 in __interceptor_calloc (/lib64/libasan.so.5+0xee1f0) #1 0xffffab256800 in g_malloc0 (/lib64/libglib-2.0.so.0+0x56800) #2 0xaaabf555db84 in timer_new_full /qemu/include/qemu/timer.h:523 #3 0xaaabf555db84 in timer_new /qemu/include/qemu/timer.h:544 #4 0xaaabf555db84 in timer_new_ns /qemu/include/qemu/timer.h:562 #5 0xaaabf555db84 in ptimer_init /qemu/hw/core/ptimer.c:433 #6 0xaaabf5bb2290 in mv88w8618_timer_init /qemu/hw/arm/musicpal.c:862 #7 0xaaabf5bb2290 in mv88w8618_pit_init /qemu/hw/arm/musicpal.c:954 #8 0xaaabf6339f6c in object_initialize_with_type /qemu/qom/object.c:515 #9 0xaaabf633a1e0 in object_new_with_type /qemu/qom/object.c:729 #10 0xaaabf6375e40 in qmp_device_list_properties /qemu/qom/qom-qmp-cmds.c:153 #11 0xaaabf5a95540 in qdev_device_help /qemu/softmmu/qdev-monitor.c:283 #12 0xaaabf5a96940 in qmp_device_add /qemu/softmmu/qdev-monitor.c:801 Reported-by: Euler Robot <euler.robot@huawei.com> Signed-off-by: Gan Qixin <ganqixin@huawei.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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@ -959,6 +959,17 @@ static void mv88w8618_pit_init(Object *obj)
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sysbus_init_mmio(dev, &s->iomem);
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}
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static void mv88w8618_pit_finalize(Object *obj)
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{
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SysBusDevice *dev = SYS_BUS_DEVICE(obj);
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mv88w8618_pit_state *s = MV88W8618_PIT(dev);
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int i;
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for (i = 0; i < 4; i++) {
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ptimer_free(s->timer[i].ptimer);
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}
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}
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static const VMStateDescription mv88w8618_timer_vmsd = {
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.name = "timer",
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.version_id = 1,
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@ -994,6 +1005,7 @@ static const TypeInfo mv88w8618_pit_info = {
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.parent = TYPE_SYS_BUS_DEVICE,
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.instance_size = sizeof(mv88w8618_pit_state),
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.instance_init = mv88w8618_pit_init,
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.instance_finalize = mv88w8618_pit_finalize,
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.class_init = mv88w8618_pit_class_init,
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};
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