netdev - RE: [PATCH] tcp repair: Fix unaligned access when repairing options

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Message-ID: <AE90C24D6B3A694183C094C60CF0A2F6026B6EF2@saturn3.aculab.com>
Date:	Wed, 25 Apr 2012 15:11:30 +0100
From:	"David Laight" <David.Laight@...LAB.COM>
To:	"Pavel Emelyanov" <xemul@...allels.com>,
	"David Miller" <davem@...emloft.net>,
	"Linux Netdev List" <netdev@...r.kernel.org>
Subject: RE: [PATCH] tcp repair: Fix unaligned access when repairing options

 
> +struct tcp_repair_opt {
> +	__u8	opt_code;
> +	__u16	opt_val;
> +};

That structure has an implied pad field, probably best to
either make it explicit or change the types.

I'd have thought it would do no harm to use two __u32 fields
(unless you really need to save memory somewhere).

	David



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