network: replace virSaveLastError() with virErrorPreserveLast()

virErrorPreserveLast()/virErrorRestore() (added in commit 8333e7455
back in 2017), do a better better job of saving and restoring the last
libvirt error than virSaveLastError()/virErrorRestore() (they're
simpler, and they also save/restore the system errno).

Signed-off-by: Laine Stump <laine@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Laine Stump 2019-08-15 22:28:27 -04:00
parent dac697e8d7
commit 39de732aa7

View File

@ -2987,13 +2987,12 @@ networkStartNetwork(virNetworkDriverStatePtr driver,
cleanup:
if (ret < 0) {
virErrorPtr save_err;
virErrorPreserveLast(&save_err);
virNetworkObjUnsetDefTransient(obj);
virErrorPtr save_err = virSaveLastError();
int save_errno = errno;
networkShutdownNetwork(driver, obj);
virSetError(save_err);
virFreeError(save_err);
errno = save_errno;
virErrorRestore(&save_err);
}
return ret;
}
@ -5596,13 +5595,13 @@ networkPortCreateXML(virNetworkPtr net,
goto cleanup;
if (virNetworkObjAddPort(obj, portdef, driver->stateDir) < 0) {
virErrorPtr saved;
virErrorPtr save_err;
saved = virSaveLastError();
virErrorPreserveLast(&save_err);
ignore_value(networkReleasePort(obj, portdef));
virNetworkPortDefFree(portdef);
virSetError(saved);
virFreeError(saved);
virErrorRestore(&save_err);
goto cleanup;
}