On Tue, May 05, 2020 at 05:15:16PM +0300, Andy Shevchenko wrote: > On Tue, May 5, 2020 at 4:29 PM Calvin Johnson > > + if (sscanf(cp, "ethernet-phy-id%4x.%4x", > > + &upper, &lower) == 2) { > > > + *phy_id = ((upper & 0xFFFF) << 16) | (lower & 0xFFFF); > > How upper can be bigger than 0xfff? Same for lower. I think your comment is incorrect here. Four hex digits can be larger than 0xfff. "1000" interpreted as hex is four hex digits and larger than 0xfff, for example. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 10.2Mbps down 587kbps up