From 32db1b58caa72f2ae582560f1937b21ea9ee0646 Mon Sep 17 00:00:00 2001 From: Thomas Huth Date: Mon, 16 Jul 2018 14:59:30 +0200 Subject: [PATCH] hw/*/realview: Fix introspection problem with 'realview_mpcore' & 'realview_gic' echo "{'execute':'qmp_capabilities'} {'execute':'device-list-properties'," \ "'arguments':{'typename':'realview_mpcore'}}" \ "{'execute': 'human-monitor-command', " \ "'arguments': {'command-line': 'info qtree'}}" | \ valgrind -q aarch64-softmmu/qemu-system-aarch64 -M none,accel=qtest -qmp stdio [...] ==2654== Invalid read of size 8 ==2654== at 0x61878A: qdev_print (qdev-monitor.c:686) ==2654== by 0x61878A: qbus_print (qdev-monitor.c:719) ==2654== by 0x452B38: handle_hmp_command (monitor.c:3446) ==2654== by 0x452D70: qmp_human_monitor_command (monitor.c:821) [...] Use sysbus_init_child_obj() to fix it. Reviewed-by: Richard Henderson Reviewed-by: Paolo Bonzini Reviewed-by: Eduardo Habkost Signed-off-by: Thomas Huth Message-id: 1531745974-17187-14-git-send-email-thuth@redhat.com Signed-off-by: Peter Maydell --- hw/cpu/realview_mpcore.c | 8 ++++---- hw/intc/realview_gic.c | 7 ++----- 2 files changed, 6 insertions(+), 9 deletions(-) diff --git a/hw/cpu/realview_mpcore.c b/hw/cpu/realview_mpcore.c index 39d4ebeb1d..9d3f8378fb 100644 --- a/hw/cpu/realview_mpcore.c +++ b/hw/cpu/realview_mpcore.c @@ -101,14 +101,14 @@ static void mpcore_rirq_init(Object *obj) SysBusDevice *privbusdev; int i; - object_initialize(&s->priv, sizeof(s->priv), TYPE_ARM11MPCORE_PRIV); - qdev_set_parent_bus(DEVICE(&s->priv), sysbus_get_default()); + sysbus_init_child_obj(obj, "a11priv", &s->priv, sizeof(s->priv), + TYPE_ARM11MPCORE_PRIV); privbusdev = SYS_BUS_DEVICE(&s->priv); sysbus_init_mmio(sbd, sysbus_mmio_get_region(privbusdev, 0)); for (i = 0; i < 4; i++) { - object_initialize(&s->gic[i], sizeof(s->gic[i]), TYPE_REALVIEW_GIC); - qdev_set_parent_bus(DEVICE(&s->gic[i]), sysbus_get_default()); + sysbus_init_child_obj(obj, "gic[*]", &s->gic[i], sizeof(s->gic[i]), + TYPE_REALVIEW_GIC); } } diff --git a/hw/intc/realview_gic.c b/hw/intc/realview_gic.c index 50bbab66ee..7f2ff85c83 100644 --- a/hw/intc/realview_gic.c +++ b/hw/intc/realview_gic.c @@ -54,16 +54,13 @@ static void realview_gic_init(Object *obj) { SysBusDevice *sbd = SYS_BUS_DEVICE(obj); RealViewGICState *s = REALVIEW_GIC(obj); - DeviceState *gicdev; memory_region_init(&s->container, OBJECT(s), "realview-gic-container", 0x2000); sysbus_init_mmio(sbd, &s->container); - object_initialize(&s->gic, sizeof(s->gic), TYPE_ARM_GIC); - gicdev = DEVICE(&s->gic); - qdev_set_parent_bus(gicdev, sysbus_get_default()); - qdev_prop_set_uint32(gicdev, "num-cpu", 1); + sysbus_init_child_obj(obj, "gic", &s->gic, sizeof(s->gic), TYPE_ARM_GIC); + qdev_prop_set_uint32(DEVICE(&s->gic), "num-cpu", 1); } static void realview_gic_class_init(ObjectClass *oc, void *data)