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Date: Thu, 4 Apr 2013 19:20:46 +0400
From: Gleb Smirnoff <glebius@FreeBSD.org>
To: "George V. Neville-Neil" <gnn@FreeBSD.org>, rmacklem@FreeBSD.org
Subject: Re: svn commit: r249096 - head/sys/rpc/rpcsec_gss
Message-ID: <20130404152046.GO76816@FreeBSD.org>
References: <201304041516.r34FGsgo097962@svn.freebsd.org>
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  George, Rick,

On Thu, Apr 04, 2013 at 03:16:54PM +0000, George V. Neville-Neil wrote:
G> Modified: head/sys/rpc/rpcsec_gss/rpcsec_gss_prot.c
G> ==============================================================================
G> --- head/sys/rpc/rpcsec_gss/rpcsec_gss_prot.c	Thu Apr  4 15:03:12 2013	(r249095)
G> +++ head/sys/rpc/rpcsec_gss/rpcsec_gss_prot.c	Thu Apr  4 15:16:53 2013	(r249096)
G> @@ -208,6 +208,8 @@ m_trim(struct mbuf *m, int len)
G>  	struct mbuf *n;
G>  	int off;
G>  
G> +	if (m == NULL)
G> +		return;
G>  	n = m_getptr(m, len, &off);
G>  	if (n) {
G>  		n->m_len = off;

I think the code will be much more rocksolid, if the function won't be
called with NULL argument.

-- 
Totus tuus, Glebius.