From: YueHaibing <yuehaibing@huawei.com>Date: Thu, 22 Aug 2019 06:52:19 +0000> Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR> > Signed-off-by: YueHaibing <yuehaibing@huawei.com>Saeed, please pick this up if you haven't already.Thank you.