Running QEMU with valgrind indicates a problem here:
echo "{'execute':'qmp_capabilities'} {'execute':'device-list-properties'," \
"'arguments':{'typename':'fsl,imx31'}}" \
"{'execute': 'human-monitor-command', " \
"'arguments': {'command-line': 'info qtree'}}" | \
valgrind -q aarch64-softmmu/qemu-system-aarch64 -M none,accel=qtest -qmp stdio
[...]
==26172== Invalid read of size 8
==26172== at 0x6191FA: qdev_print (qdev-monitor.c:686)
==26172== by 0x6191FA: 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 <richard.hender...@linaro.org>
Reviewed-by: Paolo Bonzini <pbonz...@redhat.com>
Reviewed-by: Eduardo Habkost <ehabk...@redhat.com>
Signed-off-by: Thomas Huth <th...@redhat.com>
---
hw/arm/fsl-imx31.c | 26 ++++++++++++--------------
1 file changed, 12 insertions(+), 14 deletions(-)
diff --git a/hw/arm/fsl-imx31.c b/hw/arm/fsl-imx31.c
index 891850c..ec8239a 100644
--- a/hw/arm/fsl-imx31.c
+++ b/hw/arm/fsl-imx31.c
@@ -36,33 +36,31 @@ static void fsl_imx31_init(Object *obj)
object_initialize(&s->cpu, sizeof(s->cpu), "arm1136-" 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_IMX31_CCM);
- qdev_set_parent_bus(DEVICE(&s->ccm), sysbus_get_default());
+ sysbus_init_child_obj(obj, "ccm", &s->ccm, sizeof(s->ccm), TYPE_IMX31_CCM);
for (i = 0; i < FSL_IMX31_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);
}
- object_initialize(&s->gpt, sizeof(s->gpt), TYPE_IMX31_GPT);
- qdev_set_parent_bus(DEVICE(&s->gpt), sysbus_get_default());
+ sysbus_init_child_obj(obj, "gpt", &s->gpt, sizeof(s->gpt), TYPE_IMX31_GPT);
for (i = 0; i < FSL_IMX31_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);
}
for (i = 0; i < FSL_IMX31_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_IMX31_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);
}
}
--
1.8.3.1
