
pc_fw_add_pflash_drv() ignores qemu_find_file() failure, and happily creates a drive without a medium. When pc_system_flash_init() asks for its size, bdrv_getlength() fails with -ENOMEDIUM, which isn't checked either. It fails relatively cleanly only because -ENOMEDIUM isn't a multiple of 4096: $ qemu-system-x86_64 -S -vnc :0 -bios nonexistant qemu: PC system firmware (pflash) must be a multiple of 0x1000 [Exit 1 ] Fix by handling the qemu_find_file() failure. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Read the documentation in qemu-doc.html or on http://wiki.qemu.org - QEMU team
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