[PATCH v2] FIRMWARE: bcm47xx_nvram: Replace mac address parsing
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: 2017-12-21 14:41:00
Also in:
linux-mips
Subsystem:
broadcom nvram driver, the rest · Maintainers:
Rafał Miłecki, Linus Torvalds
Replace sscanf() with mac_pton(). Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- - use negative condition to be consistent with the rest code 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 5e29f83e7b39..c041dcb7ea52 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,
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2.15.1