virsh: fix snapshot-create with no xmlfile

Properly check the return value of vshCommandOptStringReq for xmlfile:
* error out on incorrect input (--xmlfile '')
* use default XML <domainsnapshot/> with no --xmlfile specified

(Broken by commit b2e8585)

Bug: https://bugzilla.redhat.com/show_bug.cgi?id=919826
This commit is contained in:
Ján Tomko 2013-03-11 13:22:21 +01:00
parent 531b4fe8d0
commit 2fc5ff11ab

View File

@ -211,7 +211,9 @@ cmdSnapshotCreate(vshControl *ctl, const vshCmd *cmd)
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
goto cleanup;
if (vshCommandOptStringReq(ctl, cmd, "xmlfile", &from) < 0) {
if (vshCommandOptStringReq(ctl, cmd, "xmlfile", &from) < 0)
goto cleanup;
if (!from) {
buffer = vshStrdup(ctl, "<domainsnapshot/>");
} else {
if (virFileReadAll(from, VSH_MAX_XML_FILE, &buffer) < 0) {