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* [PATCH v2] FIRMWARE: bcm47xx_nvram: Replace mac address parsing
@ 2017-12-21 14:40 Andy Shevchenko
  2017-12-21 16:42 ` Hauke Mehrtens
  0 siblings, 1 reply; 4+ messages in thread
From: Andy Shevchenko @ 2017-12-21 14:40 UTC (permalink / raw)
  To: Rafał Miłecki, linux-mips, David S . Miller, netdev
  Cc: Andy Shevchenko

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,
-- 
2.15.1

^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH v2] FIRMWARE: bcm47xx_nvram: Replace mac address parsing
  2017-12-21 14:40 [PATCH v2] FIRMWARE: bcm47xx_nvram: Replace mac address parsing Andy Shevchenko
@ 2017-12-21 16:42 ` Hauke Mehrtens
  2018-01-18 13:40   ` Andy Shevchenko
  0 siblings, 1 reply; 4+ messages in thread
From: Hauke Mehrtens @ 2017-12-21 16:42 UTC (permalink / raw)
  To: Andy Shevchenko, Rafał Miłecki, linux-mips,
	David S . Miller, netdev



On 12/21/2017 03:40 PM, Andy Shevchenko wrote:
> Replace sscanf() with mac_pton().
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Acked-by: Hauke Mehrtens <hauke@hauke-m.de>

The patch looks good, but I haven't tested them on my devices.

> ---
> - 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,
> 

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH v2] FIRMWARE: bcm47xx_nvram: Replace mac address parsing
  2017-12-21 16:42 ` Hauke Mehrtens
@ 2018-01-18 13:40   ` Andy Shevchenko
  2018-03-08 17:37     ` James Hogan
  0 siblings, 1 reply; 4+ messages in thread
From: Andy Shevchenko @ 2018-01-18 13:40 UTC (permalink / raw)
  To: Hauke Mehrtens, Rafał Miłecki, linux-mips,
	David S . Miller, netdev

On Thu, 2017-12-21 at 17:42 +0100, Hauke Mehrtens wrote:
> 
> On 12/21/2017 03:40 PM, Andy Shevchenko wrote:
> > Replace sscanf() with mac_pton().
> > 
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> 
> Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
> 
> The patch looks good, but I haven't tested them on my devices.

Any news on this, anyone?

> > ---
> > - 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,
> > 

-- 
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH v2] FIRMWARE: bcm47xx_nvram: Replace mac address parsing
  2018-01-18 13:40   ` Andy Shevchenko
@ 2018-03-08 17:37     ` James Hogan
  0 siblings, 0 replies; 4+ messages in thread
From: James Hogan @ 2018-03-08 17:37 UTC (permalink / raw)
  To: Andy Shevchenko
  Cc: Hauke Mehrtens, Rafał Miłecki, linux-mips,
	David S . Miller, netdev

[-- Attachment #1: Type: text/plain, Size: 574 bytes --]

On Thu, Jan 18, 2018 at 03:40:57PM +0200, Andy Shevchenko wrote:
> On Thu, 2017-12-21 at 17:42 +0100, Hauke Mehrtens wrote:
> > 
> > On 12/21/2017 03:40 PM, Andy Shevchenko wrote:
> > > Replace sscanf() with mac_pton().
> > > 
> > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> > 
> > Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
> > 
> > The patch looks good, but I haven't tested them on my devices.
> 
> Any news on this, anyone?

Changes to this usually seem to go through the MIPS tree, so I've
applied for 4.17.

Thanks
James

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^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2018-03-08 17:37 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-12-21 14:40 [PATCH v2] FIRMWARE: bcm47xx_nvram: Replace mac address parsing Andy Shevchenko
2017-12-21 16:42 ` Hauke Mehrtens
2018-01-18 13:40   ` Andy Shevchenko
2018-03-08 17:37     ` James Hogan

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