netdev - Re: [PATCH v3] net: #ifdef inet_bind_bucket::ib

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Date:	Thu, 13 Nov 2008 15:03:42 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	adobriyan@...il.com
Cc:	dada1@...mosbay.com, netdev@...r.kernel.org
Subject: Re: [PATCH v3] net: #ifdef inet_bind_bucket::ib_net

From: "Alexey Dobriyan" <adobriyan@...il.com>
Date: Fri, 14 Nov 2008 01:53:26 +0300

> Something is wrong with read_pnet() as nobody suggested to mass use it
> or send a patch doing it.
> 
>         #ifdef CONFIG_NET_NS
>                 ib->ib_net = net;
>         #endif
> 
> It's _obvious_ from this code that it's a C assignment or nop. It's also
> obvious depending on what config option.

obvious, but ugly

>         write_pnet(&ib->ib_net, net);
> 
> What is & operator doing here? Is it important? '&' is syntaxic noise.

'&' is necessary for the assignment.
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