netdev - Re: iproute2/m_ipt fix, opts was not set properly

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Date:	Wed, 6 Aug 2008 13:06:39 +0300
From:	Denys Fedoryshchenko <denys@...p.net.lb>
To:	hadi@...erus.ca
Cc:	Stephen Hemminger <shemminger@...ux-foundation.org>,
	netdev@...r.kernel.org
Subject: Re: iproute2/m_ipt fix, opts was not set properly

On Wednesday 06 August 2008, jamal wrote:
> Are you sure this fixes any segfault? example, the variant you have
> below just changes a variable name:
>
> -----
> -static void free_opts(struct option *opts)
> +static void free_opts(struct option *opts_local)
>  {
> -       if (opts != original_opts) {
> -               free(opts);
> +       if (opts_local != original_opts) {
> +               free(opts_local);
>                 opts = original_opts;
>                 global_option_offset = 0;
>         }
> -------
>
> You could respin the patch with comment "change bad smelling name of
> a variable" - and that would be fine by me.

Make attention - before static void free_opts(struct option *opts) was 
shadowing global variable with same name *opts, after this patch - it will 
not shadow anymore.

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