From: YueHaibing <yuehaibing@xxxxxxxxxx> 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@xxxxxxxxxx> Saeed, please pick this up if you haven't already. Thank you.