From f3a508eb4e5b486f0d6e8a16dbd8ff4b9dafcd72 Mon Sep 17 00:00:00 2001 From: Pan Nengyuan Date: Fri, 7 Feb 2020 14:04:28 +0000 Subject: [PATCH] armv7m_systick: delay timer_new to avoid memleaks There is a memory leak when we call 'device_list_properties' with typename = armv7m_systick. It's easy to reproduce as follow: virsh qemu-monitor-command vm1 --pretty '{"execute": "device-list-properties", "arguments": {"typename": "armv7m_systick"}}' This patch delay timer_new to fix this memleaks. Reported-by: Euler Robot Signed-off-by: Pan Nengyuan Message-id: 20200205070659.22488-2-pannengyuan@huawei.com Cc: qemu-arm@nongnu.org Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- hw/timer/armv7m_systick.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/hw/timer/armv7m_systick.c b/hw/timer/armv7m_systick.c index 85d122dbcb..74c58bcf24 100644 --- a/hw/timer/armv7m_systick.c +++ b/hw/timer/armv7m_systick.c @@ -216,6 +216,11 @@ static void systick_instance_init(Object *obj) memory_region_init_io(&s->iomem, obj, &systick_ops, s, "systick", 0xe0); sysbus_init_mmio(sbd, &s->iomem); sysbus_init_irq(sbd, &s->irq); +} + +static void systick_realize(DeviceState *dev, Error **errp) +{ + SysTickState *s = SYSTICK(dev); s->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, systick_timer_tick, s); } @@ -238,6 +243,7 @@ static void systick_class_init(ObjectClass *klass, void *data) dc->vmsd = &vmstate_systick; dc->reset = systick_reset; + dc->realize = systick_realize; } static const TypeInfo armv7m_systick_info = { -- 2.11.0