netdev - Re: [PATCH v1] net: pasemi: Replace mac address parsing

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Date:   Tue, 19 Dec 2017 21:27:30 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Randy Dunlap <rdunlap@...radead.org>,
        Kees Cook <keescook@...omium.org>,
        Eric Dumazet <edumazet@...gle.com>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH v1] net: pasemi: Replace mac address parsing

On Tue, 2017-12-19 at 11:19 -0800, Randy Dunlap wrote:
> On 12/19/2017 10:31 AM, Andy Shevchenko wrote:
> > Replace sscanf() with mac_pton().
> > 
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> 
> You don't need to select GENERIC_NET_UTILS for that?

It's done by CONFIG_NET.

> 
> > ---
> >  drivers/net/ethernet/pasemi/pasemi_mac.c | 4 +---
> >  1 file changed, 1 insertion(+), 3 deletions(-)
> > 
> > diff --git a/drivers/net/ethernet/pasemi/pasemi_mac.c
> > b/drivers/net/ethernet/pasemi/pasemi_mac.c
> > index c9a55b774935..07a2eb3781b1 100644
> > --- a/drivers/net/ethernet/pasemi/pasemi_mac.c
> > +++ b/drivers/net/ethernet/pasemi/pasemi_mac.c
> > @@ -212,9 +212,7 @@ static int pasemi_get_mac_addr(struct pasemi_mac
> > *mac)
> >  		return -ENOENT;
> >  	}
> >  
> > -	if (sscanf(maddr, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
> > -		   &addr[0], &addr[1], &addr[2], &addr[3],
> > &addr[4], &addr[5])
> > -	    != ETH_ALEN) {
> > +	if (!mac_pton(maddr, addr)) {
> >  		dev_warn(&pdev->dev,
> >  			 "can't parse mac address, not
> > configuring\n");
> >  		return -EINVAL;
> > 
> 
> 

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