Assign statement can not be contained in bool statement or
function param.
Signed-off-by: NLang Cheng <chenglang@huawei.com>
Link: https://lore.kernel.org/r/1565276034-97329-9-git-send-email-oulijun@huawei.comSigned-off-by: NDoug Ledford <dledford@redhat.com>