From: Peng Hao <peng.h...@zte.com.cn> Date: Wed, 26 Dec 2018 16:26:29 +0800
> diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c > index 839fa77..8ce4921f 100644 > --- a/drivers/net/wan/fsl_ucc_hdlc.c > +++ b/drivers/net/wan/fsl_ucc_hdlc.c > @@ -1057,6 +1057,27 @@ static const struct net_device_ops uhdlc_ops = { > .ndo_tx_timeout = uhdlc_tx_timeout, > }; > > +static int ucc_get_resource_by_nodename(char *name, struct resource *res) > +{ ... > + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > + return 0; This assignment to 'res' doesn't do what you think it does. The caller never sees the value you compute.