On Tue, 2014-06-24 at 16:39 +0100, Daniel Walter wrote: > Replace sscanf() with mac_pton(). [] > diff --git a/arch/mips/ar7/platform.c b/arch/mips/ar7/platform.c [] > @@ -307,10 +307,7 @@ static void __init cpmac_get_mac(int instance, unsigned char *dev_addr) > } > > if (mac) { > - if (sscanf(mac, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", > - &dev_addr[0], &dev_addr[1], > - &dev_addr[2], &dev_addr[3], > - &dev_addr[4], &dev_addr[5]) != 6) { > + if (!mac_pton(mac, dev_addr)) { There is a slight functional change with this conversion. mac_pton is strict about leading 0's and requires a 17 char strlen. sscanf will accept 0:1:2:3:4:5, mac_pton will not. > pr_warning("cannot parse mac address, " > "using random address\n"); could be coalesced and pr_warn pr_warn("cannot parse mac address - using random address\n");