When take the cleanup branch, will leads to the mirror memory leak ---   src/qemu/qemu_driver.c | 2 +-   1 file changed, 1 insertion(+), 1 deletion(-)   diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 1e3c7fc..74cc2c4 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -16856,7 +16856,6 @@ qemuDomainBlockCopyCommon(virDomainObjPtr vm,    endjob:       if (need_unlink && unlink(mirror->path))           VIR_WARN("unable to unlink just-created %s", mirror->path); -    virStorageSourceFree(mirror);       qemuDomainObjEndJob(driver, vm);       if (monitor_error) {           virSetError(monitor_error); @@ -16866,6 +16865,7 @@ qemuDomainBlockCopyCommon(virDomainObjPtr vm,    cleanup:       VIR_FREE(device);       virObjectUnref(cfg); +    virStorageSourceFree(mirror);       return ret;   }