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Date: Tue, 12 Dec 2017 11:28:52 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Will Deacon <will.deacon@....com>,
Dave Martin <Dave.Martin@....com>,
Philippe Ombredanne <pombredanne@...b.com>,
linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>
Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1] FIRMWARE: bcm47xx_nvram: Replace mac address parsing
Replace sscanf() with mac_pton().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
drivers/firmware/broadcom/bcm47xx_sprom.c | 20 +++++---------------
1 file changed, 5 insertions(+), 15 deletions(-)
diff --git a/drivers/firmware/broadcom/bcm47xx_sprom.c b/drivers/firmware/broadcom/bcm47xx_sprom.c
index 62aa3cf09b4d..2b18a1608c1c 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 +147,11 @@ 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))
+ return;
+
+ pr_warn("Can not parse mac address: %s\n", buf);
}
static void nvram_read_alpha2(const char *prefix, const char *name,
--
2.15.0
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