atheros: fix up empty radio data mac address (based on patch from #8601)
[openwrt.git] / target / linux / brcm47xx / patches-2.6.36 / 018-wgt634u_mac_address_parser_fix.patch
1 --- a/arch/mips/include/asm/mach-bcm47xx/nvram.h
2 +++ b/arch/mips/include/asm/mach-bcm47xx/nvram.h
3 @@ -39,8 +39,15 @@ extern int nvram_getenv(char *name, char
4
5 static inline void nvram_parse_macaddr(char *buf, u8 *macaddr)
6 {
7 - sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0], &macaddr[1],
8 - &macaddr[2], &macaddr[3], &macaddr[4], &macaddr[5]);
9 + if (strchr(buf, ':')) {
10 + sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0], &macaddr[1],
11 + &macaddr[2], &macaddr[3], &macaddr[4], &macaddr[5]);
12 + } else if (strchr(buf, '-')) {
13 + sscanf(buf, "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx", &macaddr[0], &macaddr[1],
14 + &macaddr[2], &macaddr[3], &macaddr[4], &macaddr[5]);
15 + } else {
16 + printk(KERN_WARNING "Can not parse mac address: %s\n", buf);
17 + }
18 }
19
20 #endif
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