netdev - RE: [PATCH 2/7] sock_diag: Do not use RTA

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Date:	Wed, 27 Jun 2012 11:00:30 +0100
From:	"David Laight" <David.Laight@...LAB.COM>
To:	"Thomas Graf" <tgraf@...g.ch>, <davem@...emloft.net>
Cc:	<netdev@...r.kernel.org>
Subject: RE: [PATCH 2/7] sock_diag: Do not use RTA_PUT() macros

 
> @@ -35,9 +34,7 @@ EXPORT_SYMBOL_GPL(sock_diag_save_cookie);
>  
>  int sock_diag_put_meminfo(struct sock *sk, struct sk_buff 
> *skb, int attrtype)
>  {
> -	__u32 *mem;
> -
> -	mem = RTA_DATA(__RTA_PUT(skb, attrtype, SK_MEMINFO_VARS *
sizeof(__u32)));
> +	u32 mem[SK_MEMINFO_VARS];

Isn't that likely to blow the kernel stack?

	David


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