From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: pannengyuan@huawei.com, peter.maydell@linaro.org
Cc: qemu-devel@nongnu.org, qemu-arm@nongnu.org,
zhang.zhanghailiang@huawei.com,
Euler Robot <euler.robot@huawei.com>
Subject: Re: [PATCH 3/3] stellaris: delay timer_new to avoid memleaks
Date: Wed, 5 Feb 2020 14:10:16 +0100 [thread overview]
Message-ID: <71c5dc35-d2f2-6a7e-dde3-408fc24bb425@redhat.com> (raw)
In-Reply-To: <20200205070659.22488-4-pannengyuan@huawei.com>
On 2/5/20 8:06 AM, pannengyuan@huawei.com wrote:
> From: Pan Nengyuan <pannengyuan@huawei.com>
>
> There is a memory leak when we call 'device_list_properties' with typename = stellaris-gptm. It's easy to reproduce as follow:
>
> virsh qemu-monitor-command vm1 --pretty '{"execute": "device-list-properties", "arguments": {"typename": "stellaris-gptm"}}'
>
> This patch delay timer_new in realize to fix it.
>
> Reported-by: Euler Robot <euler.robot@huawei.com>
> Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com>
> Cc: qemu-arm@nongnu.org
> ---
> hw/arm/stellaris.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/hw/arm/stellaris.c b/hw/arm/stellaris.c
> index bb025e0bd0..221a78674e 100644
> --- a/hw/arm/stellaris.c
> +++ b/hw/arm/stellaris.c
> @@ -347,11 +347,15 @@ static void stellaris_gptm_init(Object *obj)
> sysbus_init_mmio(sbd, &s->iomem);
>
> s->opaque[0] = s->opaque[1] = s;
> +}
> +
> +static void stellaris_gptm_realize(DeviceState *dev, Error **errp)
> +{
> + gptm_state *s = STELLARIS_GPTM(dev);
> s->timer[0] = timer_new_ns(QEMU_CLOCK_VIRTUAL, gptm_tick, &s->opaque[0]);
> s->timer[1] = timer_new_ns(QEMU_CLOCK_VIRTUAL, gptm_tick, &s->opaque[1]);
> }
>
> -
> /* System controller. */
>
> typedef struct {
> @@ -1536,6 +1540,7 @@ static void stellaris_gptm_class_init(ObjectClass *klass, void *data)
> DeviceClass *dc = DEVICE_CLASS(klass);
>
> dc->vmsd = &vmstate_stellaris_gptm;
> + dc->realize = stellaris_gptm_realize;
> }
>
> static const TypeInfo stellaris_gptm_info = {
>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
next prev parent reply other threads:[~2020-02-05 13:13 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-05 7:06 [PATCH 0/3] delay timer_new to avoid memleaks pannengyuan
2020-02-05 7:06 ` [PATCH 1/3] armv7m_systick: " pannengyuan
2020-02-05 7:06 ` [PATCH 2/3] stm32f2xx_timer: " pannengyuan
2020-02-05 13:17 ` Philippe Mathieu-Daudé
2020-02-05 18:49 ` Alistair Francis
2020-02-05 7:06 ` [PATCH 3/3] stellaris: " pannengyuan
2020-02-05 13:10 ` Philippe Mathieu-Daudé [this message]
2020-02-05 13:16 ` [PATCH 0/3] " Philippe Mathieu-Daudé
2020-02-06 1:14 ` Pan Nengyuan
2020-02-07 13:42 ` Peter Maydell
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