linux-kernel - Re: [PATCH] Stop docproc segfaulting when SRCTREE isn't set.

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Message-ID: <20071009130315.GB4245@Ahmed>
Date:	Tue, 9 Oct 2007 15:03:15 +0200
From:	"Ahmed S. Darwish" <darwish.07@...il.com>
To:	Rob Landley <rob@...dley.net>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	rdunlap@...otime.net
Subject: Re: [PATCH] Stop docproc segfaulting when SRCTREE isn't set.

Hi Rob,

On Tue, Oct 09, 2007 at 01:25:18AM -0500, Rob Landley wrote:
[...]
>  	FILE * infile;
> +
> +	srctree = getenv("SRCTREE");
> +	if (!srctree) srctree = getcwd(NULL,0);
>  	if (argc != 3) {
>  		usage();
>  		exit(1);

$ man getcwd

 char *getcwd(char *buf, size_t size);
      
 As an extension to the POSIX.1 standard, Linux (libc4, libc5, glibc) getcwd() 
 allocates the buffer dynamically using malloc() if buf is NULL on call.

Shouldn't "srctree" be free()ed in case getenv("SRCTREE") failed ?

Regards,

-- 
Ahmed S. Darwish
HomePage: http://darwish.07.googlepages.com
Blog: http://darwish-07.blogspot.com
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