[libvirt] [PATCH] 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 --- tools/virsh-snapshot.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/virsh-snapshot.c b/tools/virsh-snapshot.c index ed41014..d994fd9 100644 --- a/tools/virsh-snapshot.c +++ b/tools/virsh-snapshot.c @@ -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) { -- 1.7.12.4