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qemu_driver: Resolve Coverity FORWARD_NULL

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In qemuDomainSnapshotCreateDiskActive() if we jumped to cleanup from a
failed actions = virJSONValueNewArray(), then 'cfg' would be NULL.

So just return -1, which in turn removes the need for cleanup:
This commit is contained in:
John Ferlan 2014-08-28 12:49:30 -04:00
parent e387f4c1f1
commit 5c0dad7b39
1 changed files with 1 additions and 2 deletions
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3
src/qemu/qemu_driver.c
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@ -13023,7 +13023,7 @@ qemuDomainSnapshotCreateDiskActive(virQEMUDriverPtr driver,
if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_TRANSACTION)) {
if (!(actions = virJSONValueNewArray()))
goto cleanup;
return -1;
} else if (!virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_DISK_SNAPSHOT)) {
virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
_("live disk snapshot not supported with this "
@ -13106,7 +13106,6 @@ qemuDomainSnapshotCreateDiskActive(virQEMUDriverPtr driver,
}
}
cleanup:
/* recheck backing chains of all disks involved in the snapshot */
orig_err = virSaveLastError();
for (i = 0; i < snap->def->ndisks; i++) {