[Qemu-block] Is the use of bdrv_getlength() in qcow.c kosher?

qemu-block

From:	Markus Armbruster
Subject:	[Qemu-block] Is the use of bdrv_getlength() in qcow.c kosher?
Date:	Fri, 04 Aug 2017 14:33:00 +0200
User-agent:	Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux)

bdrv_getlength() can fail.  The uses in qcow.c don't check.  Is that
safe?

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[Qemu-block] Is the use of bdrv_getlength() in qcow.c kosher?, Markus Armbruster <=
- Re: [Qemu-block] Is the use of bdrv_getlength() in qcow.c kosher?, Markus Armbruster, 2017/08/04
- Re: [Qemu-block] Is the use of bdrv_getlength() in qcow.c kosher?, Markus Armbruster, 2017/08/04
  - Re: [Qemu-block] Is the use of bdrv_getlength() in qcow.c kosher?, Eric Blake, 2017/08/04
    - Re: [Qemu-block] Is the use of bdrv_getlength() in qcow.c kosher?, Eric Blake, 2017/08/07