[Qemu-devel] Unchecked blk_getlength() in device models and board code

[Markus Armbruster]

blk_getlength() can fail.  I figure the following need fixing:

hw/arm/musicpal.c: musicpal_init()
hw/block/nand.c: nand_realize()
hw/block/virtio-blk.c: virtio_blk_update_config()
hw/ppc/ppc405_boards.c: taihu_405ep_init()