linux-kernel - Re: [PATCH 2/8] of: Drop full path from Sparc PDT full

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Date:   Thu, 08 Nov 2018 19:11:16 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     robh@...nel.org
Cc:     frowand.list@...il.com, linux-kernel@...r.kernel.org,
        sparclinux@...r.kernel.org
Subject: Re: [PATCH 2/8] of: Drop full path from Sparc PDT full_name

From: Rob Herring <robh@...nel.org>
Date: Wed,  7 Nov 2018 16:31:45 -0600

> @@ -32,24 +32,7 @@ unsigned int of_pdt_unique_id __initdata;
>  
>  static char * __init of_pdt_build_full_name(struct device_node *dp)
>  {
> -	int len, ourlen, plen;
> -	char *n;
> -
> -	dp->path_component_name = build_path_component(dp);
> -
> -	plen = strlen(dp->parent->full_name);
> -	ourlen = strlen(dp->path_component_name);
> -	len = ourlen + plen + 2;
> -
> -	n = prom_early_alloc(len);
> -	strcpy(n, dp->parent->full_name);
> -	if (!of_node_is_root(dp->parent)) {
> -		strcpy(n + plen, "/");
> -		plen++;
> -	}
> -	strcpy(n + plen, dp->path_component_name);
> -
> -	return n;
> +	return build_path_component(dp);
>  }
>  
>  #else /* CONFIG_SPARC */

Hmmm, shouldn't this be doing what the non-SPARC version of
of_pdt_build_full_name() does which is to return the component string
appended to the parent's full_name?

You're just returning the component string here.