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From: "David S. Miller" <davem@davemloft.net>
To: shemminger@osdl.org
Cc: netdev@vger.kernel.org
Subject: Re: [RFC] bridge: partial rtnetlink hooks
Date: Wed, 26 Apr 2006 15:43:51 -0700 (PDT)	[thread overview]
Message-ID: <20060426.154351.14477425.davem@davemloft.net> (raw)
In-Reply-To: <20060426104521.44682924@localhost.localdomain>

From: Stephen Hemminger <shemminger@osdl.org>
Date: Wed, 26 Apr 2006 10:45:21 -0700

> +struct brifinfo {
> +	__u8	state;
> +	__u32	cost;
> +};
> +

Maybe put the __u32 first and explicitly pad out the 3
bytes after the __u8?  Just to be safe.

I know you use an assignment initializer, so your current
code won't leak kernel data into userspace, but a safer
layout might help provide even more protection for future
code using this data structure.

  parent reply	other threads:[~2006-04-26 22:43 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-04-26 17:45 [RFC] bridge: partial rtnetlink hooks Stephen Hemminger
2006-04-26 22:24 ` Francois Romieu
2006-04-26 22:43 ` David S. Miller [this message]
2006-04-27  8:24 ` Patrick McHardy

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