netdev - Re: [ETH]: Combine format_addr() with print

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Date:	Fri, 21 Dec 2007 23:02:45 -0800
From:	Joe Perches <joe@...ches.com>
To:	Michael Chan <mchan@...adcom.com>
Cc:	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>, anilgv@...adcom.com,
	michaelc@...wisc.edu, david.somayajulu@...gic.com
Subject: Re: [ETH]: Combine format_addr() with print_mac().

On Fri, 2007-12-21 at 19:58 -0800, Michael Chan wrote:
> The dev_addr is declared as unsigned char* in struct net_device.  To be
> consistent, can we change print_mac() and MAC_BUF to use unsigned char*?
> They are really the same.

That's fine by me.  I like consistency.
I don't remember why it was u8 and not unsigned char.

> > ssize_t? shouldn't it be size_t?
> I'm just keeping the prototype unchanged as originally defined in net-
> sysfs.c

It's painless to change the prototype.
size_t seems more sensible.

> > Indexing buf by int len is unchecked.
> > That could lead to unintended buffer overruns.
> > Maybe add a buflen argument and use snprintf?
> Again, I kept the semantics the same as the original, but will be happy
> to add a buflen for better checking.

That sounds good.

cheers, Joe

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