From 4d73b73ff7943c92e8bcb65fece8caa70c24db87 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Thu, 21 Dec 2017 16:40:55 +0200 Subject: [PATCH] FIRMWARE: bcm47xx_nvram: Replace mac address parsing Replace sscanf() with mac_pton(). Signed-off-by: Andy Shevchenko Acked-by: Hauke Mehrtens Cc: David S. Miller Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/17982/ Signed-off-by: James Hogan --- drivers/firmware/broadcom/Kconfig | 1 + drivers/firmware/broadcom/bcm47xx_sprom.c | 18 +++--------------- 2 files changed, 4 insertions(+), 15 deletions(-) diff --git a/drivers/firmware/broadcom/Kconfig b/drivers/firmware/broadcom/Kconfig index 3c7e5b741e37..f77cdb3a041f 100644 --- a/drivers/firmware/broadcom/Kconfig +++ b/drivers/firmware/broadcom/Kconfig @@ -13,6 +13,7 @@ config BCM47XX_NVRAM config BCM47XX_SPROM bool "Broadcom SPROM driver" depends on BCM47XX_NVRAM + select GENERIC_NET_UTILS help Broadcom devices store configuration data in SPROM. Accessing it is specific to the bus host type, e.g. PCI(e) devices have it mapped in diff --git a/drivers/firmware/broadcom/bcm47xx_sprom.c b/drivers/firmware/broadcom/bcm47xx_sprom.c index 62aa3cf09b4d..4787f86c8ac1 100644 --- a/drivers/firmware/broadcom/bcm47xx_sprom.c +++ b/drivers/firmware/broadcom/bcm47xx_sprom.c @@ -137,20 +137,6 @@ static void nvram_read_leddc(const char *prefix, const char *name, *leddc_off_time = (val >> 16) & 0xff; } -static void bcm47xx_nvram_parse_macaddr(char *buf, u8 macaddr[6]) -{ - if (strchr(buf, ':')) - sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0], - &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4], - &macaddr[5]); - else if (strchr(buf, '-')) - sscanf(buf, "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx", &macaddr[0], - &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4], - &macaddr[5]); - else - pr_warn("Can not parse mac address: %s\n", buf); -} - static void nvram_read_macaddr(const char *prefix, const char *name, u8 val[6], bool fallback) { @@ -161,7 +147,9 @@ static void nvram_read_macaddr(const char *prefix, const char *name, if (err < 0) return; - bcm47xx_nvram_parse_macaddr(buf, val); + strreplace(buf, '-', ':'); + if (!mac_pton(buf, val)) + pr_warn("Can not parse mac address: %s\n", buf); } static void nvram_read_alpha2(const char *prefix, const char *name,