Replace

    dev = isa_create(bus, type_name);
    ...
    qdev_init_nofail(dev);

by

    dev = isa_new(type_name);
    ...
    isa_realize_and_unref(dev, bus, &error_fatal);

Recent commit "qdev: New qdev_new(), qdev_realize(), etc." explains
why.

Coccinelle script:

    @@
    expression dev, bus, expr;
    expression list args;
    expression d;
    @@
    -    dev = isa_create(bus, args);
    +    dev = isa_new(args);
    (
         d = &dev->qdev;
    |
         d = DEVICE(dev);
    )
         ... when != dev = expr
    -    qdev_init_nofail(d);
    +    isa_realize_and_unref(dev, bus, &error_fatal);

    @@
    expression dev, bus, expr;
    expression list args;
    @@
    -    dev = isa_create(bus, args);
    +    dev = isa_new(args);
         ... when != dev = expr
    -    qdev_init_nofail(DEVICE(dev));
    +    isa_realize_and_unref(dev, bus, &error_fatal);

    @@
    expression dev, bus, expr;
    expression list args;
    @@
    -    dev = DEVICE(isa_create(bus, args));
    +    ISADevice *isa_dev; // TODO move
    +    isa_dev = isa_new(args);
    +    dev = DEVICE(isa_dev);
         ... when != dev = expr
    -    qdev_init_nofail(dev);
    +    isa_realize_and_unref(isa_dev, bus, &error_fatal);

Missing #include "qapi/error.h" added manually, whitespace changes
minimized manually.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200610053247.1583243-20-armbru@redhat.com>