xenapi: Resolve Coverity NULL_RETURNS

Coverity points out that the return from virDomainDefParseString is
not checked in xenapiDomainCreateXML like it should be which could
end up in a NULL pointer dereference

diff --git a/src/xenapi/xenapi_driver.c b/src/xenapi/xenapi_driver.c
index 821e9d94cec3cbd903e46e2a09c93341f763c660..148ff9bd8cc8f2802fae4cbdec08b2b88918a8c5 100644 (file)
--- a/src/xenapi/xenapi_driver.c
+++ b/src/xenapi/xenapi_driver.c
@@ -560,6 +560,8 @@ xenapiDomainCreateXML(virConnectPtr conn,
                                                      priv->caps, priv->xmlopt,
                                                      1 << VIR_DOMAIN_VIRT_XEN,
                                                      parse_flags);
+    if (!defPtr)
+        return NULL;
     createVMRecordFromXml(conn, defPtr, &record, &vm);
     virDomainDefFree(defPtr);
     if (record) {