[U-Boot] [PATCH] net: turn name len check into an assert

Mike Frysinger vapier at gentoo.org
Mon Sep 12 18:29:10 CEST 2011


On Monday, September 12, 2011 01:08:50 Marek Vasut wrote:
> On Monday, September 12, 2011 06:49:53 AM Mike Frysinger wrote:
> > --- a/net/eth.c
> > +++ b/net/eth.c
> > 
> > -	size_t len = strlen(dev->name);
> > -	if (len >= NAMESIZE) {
> > -		printf("Network driver name is too long (%zu >= %zu): %s\n",
> > -						len, NAMESIZE, dev->name);
> > -		return -1;
> > -	}
> > +	assert(strlen(dev->name) < NAMESIZE);
> 
> Aren't you changing the logic here ?

pretty sure it's the same.  old code would warn when "len >= max", while mine 
asserts that "len < max" and thus aborts when "!(len < max)" and based on 
boolean logic, "(x >= y) == !(x < y)".
-mike
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