From 51dd12ac0e0c7c3cc95e2d97311a34a3329c13f3 Mon Sep 17 00:00:00 2001 From: Thomas Huth Date: Mon, 16 Jul 2018 14:59:27 +0200 Subject: [PATCH] hw/arm/fsl-imx25: Fix introspection problem with the "fsl, imx25" device Running QEMU with valgrind indicates a problem here: echo "{'execute':'qmp_capabilities'} {'execute':'device-list-properties'," \ "'arguments':{'typename':'fsl,imx25'}}" \ "{'execute': 'human-monitor-command', " \ "'arguments': {'command-line': 'info qtree'}}" | \ valgrind -q aarch64-softmmu/qemu-system-aarch64 -M none,accel=qtest -qmp stdio [...] ==26724== Invalid read of size 8 ==26724== at 0x6190DA: qdev_print (qdev-monitor.c:686) ==26724== by 0x6190DA: qbus_print (qdev-monitor.c:719) [...] Use the new sysbus_init_child_obj() to make sure that the objects are cleaned up correctly when the parent gets destroyed. Reviewed-by: Richard Henderson Reviewed-by: Paolo Bonzini Reviewed-by: Eduardo Habkost Signed-off-by: Thomas Huth Message-id: 1531745974-17187-11-git-send-email-thuth@redhat.com Signed-off-by: Peter Maydell --- hw/arm/fsl-imx25.c | 30 ++++++++++++++---------------- 1 file changed, 14 insertions(+), 16 deletions(-) diff --git a/hw/arm/fsl-imx25.c b/hw/arm/fsl-imx25.c index 37056f9e34..bd07040a4a 100644 --- a/hw/arm/fsl-imx25.c +++ b/hw/arm/fsl-imx25.c @@ -39,38 +39,36 @@ static void fsl_imx25_init(Object *obj) object_initialize(&s->cpu, sizeof(s->cpu), "arm926-" TYPE_ARM_CPU); - object_initialize(&s->avic, sizeof(s->avic), TYPE_IMX_AVIC); - qdev_set_parent_bus(DEVICE(&s->avic), sysbus_get_default()); + sysbus_init_child_obj(obj, "avic", &s->avic, sizeof(s->avic), + TYPE_IMX_AVIC); - object_initialize(&s->ccm, sizeof(s->ccm), TYPE_IMX25_CCM); - qdev_set_parent_bus(DEVICE(&s->ccm), sysbus_get_default()); + sysbus_init_child_obj(obj, "ccm", &s->ccm, sizeof(s->ccm), TYPE_IMX25_CCM); for (i = 0; i < FSL_IMX25_NUM_UARTS; i++) { - object_initialize(&s->uart[i], sizeof(s->uart[i]), TYPE_IMX_SERIAL); - qdev_set_parent_bus(DEVICE(&s->uart[i]), sysbus_get_default()); + sysbus_init_child_obj(obj, "uart[*]", &s->uart[i], sizeof(s->uart[i]), + TYPE_IMX_SERIAL); } for (i = 0; i < FSL_IMX25_NUM_GPTS; i++) { - object_initialize(&s->gpt[i], sizeof(s->gpt[i]), TYPE_IMX25_GPT); - qdev_set_parent_bus(DEVICE(&s->gpt[i]), sysbus_get_default()); + sysbus_init_child_obj(obj, "gpt[*]", &s->gpt[i], sizeof(s->gpt[i]), + TYPE_IMX25_GPT); } for (i = 0; i < FSL_IMX25_NUM_EPITS; i++) { - object_initialize(&s->epit[i], sizeof(s->epit[i]), TYPE_IMX_EPIT); - qdev_set_parent_bus(DEVICE(&s->epit[i]), sysbus_get_default()); + sysbus_init_child_obj(obj, "epit[*]", &s->epit[i], sizeof(s->epit[i]), + TYPE_IMX_EPIT); } - object_initialize(&s->fec, sizeof(s->fec), TYPE_IMX_FEC); - qdev_set_parent_bus(DEVICE(&s->fec), sysbus_get_default()); + sysbus_init_child_obj(obj, "fec", &s->fec, sizeof(s->fec), TYPE_IMX_FEC); for (i = 0; i < FSL_IMX25_NUM_I2CS; i++) { - object_initialize(&s->i2c[i], sizeof(s->i2c[i]), TYPE_IMX_I2C); - qdev_set_parent_bus(DEVICE(&s->i2c[i]), sysbus_get_default()); + sysbus_init_child_obj(obj, "i2c[*]", &s->i2c[i], sizeof(s->i2c[i]), + TYPE_IMX_I2C); } for (i = 0; i < FSL_IMX25_NUM_GPIOS; i++) { - object_initialize(&s->gpio[i], sizeof(s->gpio[i]), TYPE_IMX_GPIO); - qdev_set_parent_bus(DEVICE(&s->gpio[i]), sysbus_get_default()); + sysbus_init_child_obj(obj, "gpio[*]", &s->gpio[i], sizeof(s->gpio[i]), + TYPE_IMX_GPIO); } }