[U-Boot] [PATCH 5/5] fit: Introduce methods for applying overlays on fit-load

[Pantelis Antoniou]

Hi Marek,

On Sat, 2017-07-01 at 16:11 +0200, Marek Vasut wrote:
> On 06/30/2017 06:23 PM, Pantelis Antoniou wrote:
> > Introduce an overlay based method for constructing a base DT blob
> > to pass to the kernel.
> > 
> > Both canned and runtime feature selection is supported.
> > 
> > Signed-off-by: Pantelis Antoniou <pantelis.antoniou at konsulko.com>
> 
> [...]
> 
> > @@ -1475,29 +1482,58 @@ int fit_conf_get_node(const void *fit, const char *conf_uname)
> >  		debug("Found default configuration: '%s'\n", conf_uname);
> >  	}
> >  
> > +	s = strchr(conf_uname, '#');
> > +	if (s) {
> > +		len = s - conf_uname;
> > +		conf_uname_copy = malloc(len + 1);
> > +		if (!conf_uname_copy) {
> > +			debug("Can't allocate uname copy: '%s'\n",
> > +					conf_uname);
> > +			return -ENOMEM;
> > +		}
> > +		memcpy(conf_uname_copy, conf_uname, len);
> 
> Is that like strdup() here ?
> 

No. The space allocated is not the full string, just the span until the
next #.

> > +		conf_uname_copy[len] = '\0';
> > +		conf_uname = conf_uname_copy;
> > +	}
> > +
> >  	noffset = fdt_subnode_offset(fit, confs_noffset, conf_uname);
> >  	if (noffset < 0) {
> >  		debug("Can't get node offset for configuration unit name: '%s' (%s)\n",
> >  		      conf_uname, fdt_strerror(noffset));
> >  	}
> >  
> > +	if (conf_uname_copy)
> > +		free(conf_uname_copy);
> > +
> >  	return noffset;
> >  }
> 
> [...]
> 
> 

Regards

-- Pantelis