sysbus: Tidy up sysbus_init_child_obj()'s @childsize arg, part 1

The callers of sysbus_init_child_obj() commonly pass either &child,
sizeof(child), or pchild, sizeof(*pchild).  Tidy up the few that use
sizeof(child_type) instead, mostly to keep future commits simpler.

Coccinelle script:

    @@
    expression parent, propname, type;
    type T;
    T child;
    @@
    -    sysbus_init_child_obj(parent, propname, &child, sizeof(T), type)
    +    sysbus_init_child_obj(parent, propname, &child, sizeof(child), type)

    @@
    expression parent, propname, type;
    type T;
    T *child;
    @@
    -    sysbus_init_child_obj(parent, propname, child, sizeof(T), type)
    +    sysbus_init_child_obj(parent, propname, child, sizeof(*child), type)

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200610053247.1583243-42-armbru@redhat.com>

1 files changed, 3 insertions, 5 deletions

diff --git a/hw/arm/musca.c b/hw/arm/musca.c
index cd7df7c191..b7f1c4e128 100644
--- a/hw/arm/musca.c
+++ b/hw/arm/musca.c
@@ -142,8 +142,7 @@ static MemoryRegion *make_unimp_dev(MuscaMachineState *mms,
      */
     UnimplementedDeviceState *uds = opaque;
 
-    sysbus_init_child_obj(OBJECT(mms), name, uds,
-                          sizeof(UnimplementedDeviceState),
+    sysbus_init_child_obj(OBJECT(mms), name, uds, sizeof(*uds),
                           TYPE_UNIMPLEMENTED_DEVICE);
     qdev_prop_set_string(DEVICE(uds), "name", name);
     qdev_prop_set_uint64(DEVICE(uds), "size", size);
@@ -246,8 +245,7 @@ static MemoryRegion *make_mpc(MuscaMachineState *mms, void *opaque,
     case MPC_CRYPTOISLAND:
         /* We don't implement the CryptoIsland yet */
         uds = &mms->cryptoisland;
-        sysbus_init_child_obj(OBJECT(mms), name, uds,
-                              sizeof(UnimplementedDeviceState),
+        sysbus_init_child_obj(OBJECT(mms), name, uds, sizeof(*uds),
                               TYPE_UNIMPLEMENTED_DEVICE);
         qdev_prop_set_string(DEVICE(uds), "name", mpcinfo[i].name);
         qdev_prop_set_uint64(DEVICE(uds), "size", mpcinfo[i].size);
@@ -535,7 +533,7 @@ static void musca_init(MachineState *machine)
         char *gpioname;
 
         sysbus_init_child_obj(OBJECT(machine), ppcinfo->name, ppc,
-                              sizeof(TZPPC), TYPE_TZ_PPC);
+                              sizeof(*ppc), TYPE_TZ_PPC);
         ppcdev = DEVICE(ppc);
 
         for (port = 0; port < TZ_NUM_PORTS; port++) {