cmdVolCreateAs: Rework to follow usual func pattern

The way we usually write functions is that we start the work and
if something goes bad we goto cleanup and roll back there. Or
just free resources that are no longer needed. Do the same here.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2016-02-10 16:35:48 +01:00
parent 26946f674e
commit bb0b8e5d67

View File

@ -211,14 +211,15 @@ static bool
cmdVolCreateAs(vshControl *ctl, const vshCmd *cmd)
{
virStoragePoolPtr pool;
virStorageVolPtr vol;
char *xml;
virStorageVolPtr vol = NULL;
char *xml = NULL;
const char *name, *capacityStr = NULL, *allocationStr = NULL, *format = NULL;
const char *snapshotStrVol = NULL, *snapshotStrFormat = NULL;
unsigned long long capacity, allocation = 0;
virBuffer buf = VIR_BUFFER_INITIALIZER;
unsigned long flags = 0;
virshControlPtr priv = ctl->privData;
bool ret = false;
if (vshCommandOptBool(cmd, "prealloc-metadata"))
flags |= VIR_STORAGE_VOL_CREATE_PREALLOC_METADATA;
@ -335,23 +336,22 @@ cmdVolCreateAs(vshControl *ctl, const vshCmd *cmd)
goto cleanup;
}
xml = virBufferContentAndReset(&buf);
vol = virStorageVolCreateXML(pool, xml, flags);
VIR_FREE(xml);
virStoragePoolFree(pool);
if (vol != NULL) {
vshPrint(ctl, _("Vol %s created\n"), name);
virStorageVolFree(vol);
return true;
} else {
if (!(vol = virStorageVolCreateXML(pool, xml, flags))) {
vshError(ctl, _("Failed to create vol %s"), name);
return false;
goto cleanup;
}
vshPrint(ctl, _("Vol %s created\n"), name);
ret = true;
cleanup:
virBufferFreeAndReset(&buf);
if (vol)
virStorageVolFree(vol);
virStoragePoolFree(pool);
return false;
VIR_FREE(xml);
return ret;
}
/*