qemu: Merge use of 'reuse' flag in qemuDomainSnapshotDiskPrepareOne

Signed-off-by: NPeter Krempa <pkrempa@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>

src/qemu/qemu_driver.c

@@ -15359,10 +15359,9 @@ qemuDomainSnapshotDiskPrepareOne(virQEMUDriverPtr driver,
             else
                 VIR_FREE(backingStoreStr);
         }
-    }
-
+    } else {
         /* pre-create the image file so that we can label it before handing it to qemu */
-    if (!reuse && dd->src->type != VIR_STORAGE_TYPE_BLOCK) {
+        if (dd->src->type != VIR_STORAGE_TYPE_BLOCK) {
             if (virStorageFileCreate(dd->src) < 0) {
                 virReportSystemError(errno, _("failed to create image file '%s'"),
                                      NULLSTR(dd->src->path));
@@ -15370,6 +15369,7 @@ qemuDomainSnapshotDiskPrepareOne(virQEMUDriverPtr driver,
             }
             dd->created = true;
         }
+    }
 
     /* set correct security, cgroup and locking options on the new image */
     if (qemuDomainStorageSourceAccessAllow(driver, vm, dd->src, false, true) < 0)