Re: [Qemu-devel] [PATCH 05/10] block: Fix blockdev-snapshot error handling

2017-03-07 Thread Kevin Wolf
Am 06.03.2017 um 21:23 hat Eric Blake geschrieben: > On 03/06/2017 10:21 AM, Kevin Wolf wrote: > > For blockdev-snapshot, external_snapshot_prepare() accepts an arbitrary > > node reference at first and only checks later whether it already has a > > backing file. Between those places, other errors

Re: [Qemu-devel] [PATCH 05/10] block: Fix blockdev-snapshot error handling

2017-03-06 Thread Eric Blake
On 03/06/2017 10:21 AM, Kevin Wolf wrote: > For blockdev-snapshot, external_snapshot_prepare() accepts an arbitrary > node reference at first and only checks later whether it already has a > backing file. Between those places, other errors can occur. > > Therefore checking in external_snapshot_abo