virDomainCheckpointAlignDisks: Refactor cleanup

Use g_autoptr for virBitmap and get rid of the 'cleanup:' label and ret
variable.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2020-12-01 17:04:03 +01:00
parent 4c4d0e2da0
commit bfac424b05

View File

@ -292,8 +292,7 @@ virDomainCheckpointCompareDiskIndex(const void *a, const void *b)
int
virDomainCheckpointAlignDisks(virDomainCheckpointDefPtr def)
{
int ret = -1;
virBitmapPtr map = NULL;
g_autoptr(virBitmap) map = NULL;
size_t i;
int ndisks;
int checkpoint_default = VIR_DOMAIN_CHECKPOINT_TYPE_NONE;
@ -301,13 +300,13 @@ virDomainCheckpointAlignDisks(virDomainCheckpointDefPtr def)
if (!def->parent.dom) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("missing domain in checkpoint"));
goto cleanup;
return -1;
}
if (def->ndisks > def->parent.dom->ndisks) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("too many disk checkpoint requests for domain"));
goto cleanup;
return -1;
}
/* Unlikely to have a guest without disks but technically possible. */
@ -315,7 +314,7 @@ virDomainCheckpointAlignDisks(virDomainCheckpointDefPtr def)
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("domain must have at least one disk to perform "
"checkpoints"));
goto cleanup;
return -1;
}
/* If <disks> omitted, do bitmap on all writeable disks;
@ -333,14 +332,14 @@ virDomainCheckpointAlignDisks(virDomainCheckpointDefPtr def)
if (idx < 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("no disk named '%s'"), disk->name);
goto cleanup;
return -1;
}
if (virBitmapIsBitSet(map, idx)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("disk '%s' specified twice"),
disk->name);
goto cleanup;
return -1;
}
if ((virStorageSourceIsEmpty(def->parent.dom->disks[idx]->src) ||
def->parent.dom->disks[idx]->src->readonly) &&
@ -348,7 +347,7 @@ virDomainCheckpointAlignDisks(virDomainCheckpointDefPtr def)
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("disk '%s' is empty or readonly"),
disk->name);
goto cleanup;
return -1;
}
ignore_value(virBitmapSetBit(map, idx));
disk->idx = idx;
@ -363,7 +362,7 @@ virDomainCheckpointAlignDisks(virDomainCheckpointDefPtr def)
ndisks = def->ndisks;
if (VIR_EXPAND_N(def->disks, def->ndisks,
def->parent.dom->ndisks - def->ndisks) < 0)
goto cleanup;
return -1;
for (i = 0; i < def->parent.dom->ndisks; i++) {
virDomainCheckpointDiskDefPtr disk;
@ -387,13 +386,9 @@ virDomainCheckpointAlignDisks(virDomainCheckpointDefPtr def)
/* Generate default bitmap names for checkpoint */
if (virDomainCheckpointDefAssignBitmapNames(def) < 0)
goto cleanup;
return -1;
ret = 0;
cleanup:
virBitmapFree(map);
return ret;
return 0;
}