[libvirt] [PATCH] snapshot: require user to supply external memory file name
eblake at redhat.com
Fri Nov 16 15:36:50 UTC 2012
On 11/15/2012 09:53 PM, Osier Yang wrote:
> On 2012年11月16日 08:49, Eric Blake wrote:
>> For disk snapshots, the user could request an external snapshot
>> but not supply a filename; later on, we would check this condition
>> and generate a suitable name if possible, or gracefully error out
>> when not possible (such as when the original file was a block
>> device). But unless we come up with a suitable way to generate
>> external memory file names, we have no later code point that was
>> checking for NULL, so we should forbid this up front.
>> * src/conf/snapshot_conf.c (virDomainSnapshotDefParseString):
>> Avoid NULL deref, since we don't generate names yet.
>> src/conf/snapshot_conf.c | 6 ++++++
>> 1 file changed, 6 insertions(+)
Eric Blake eblake at redhat.com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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