svn commit: r199201 - in head: contrib/libpcap sbin/ifconfig share/man/man4 sys/kern sys/net sys/sys

[Ed Schouten]

Hi,

* Xin LI <delphij at FreeBSD.org> wrote:
> Modified: head/sys/net/if_var.h
> ==============================================================================
> --- head/sys/net/if_var.h	Wed Nov 11 21:18:27 2009	(r199200)
> +++ head/sys/net/if_var.h	Wed Nov 11 21:30:58 2009	(r199201)
> @@ -198,6 +198,7 @@ struct ifnet {
>  	void	*if_pf_kif;
>  	void	*if_lagg;		/* lagg glue */
>  	u_char	 if_alloctype;		/* if_type at time of allocation */
> +	struct sbuf *if_description;	/* interface description */
>  
>  	/*
>  	 * Spare fields are added so that we can modify sensitive data
> @@ -205,7 +206,7 @@ struct ifnet {
>  	 * be used with care where binary compatibility is required.
>  	 */
>  	char	 if_cspare[3];
> -	void	*if_pspare[8];
> +	void	*if_pspare[7];
>  	int	if_ispare[4];
>  };

So there used to be four chars in a row here (between if_description and
if_cspare). Are you sure moving the pointer in between doesn't increase
the structure size?

-- 
 Ed Schouten <ed at 80386.nl>
 WWW: http://80386.nl/
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