Date: Wed, 18 Sep 2002 19:30:42 +0200 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Bosko Milekic <bmilekic@unixdaemons.com> Cc: arch@freebsd.org Subject: Re: Trivial mbuf patch for review. Message-ID: <4748.1032370242@critter.freebsd.dk> In-Reply-To: Your message of "Wed, 18 Sep 2002 13:23:00 EDT." <20020918132300.A34069@unixdaemons.com>
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In message <20020918132300.A34069@unixdaemons.com>, Bosko Milekic writes: >> panic("sbappendcontrol"); >> - for (m = control; ; m = m->m_next) { >> - space += m->m_len; >> - if (m->m_next == 0) >> - break; >> - } >> - n = m; /* save pointer to last control buffer */ >> - for (m = m0; m; m = m->m_next) >> - space += m->m_len; >> + space = m_length(control, &n) + m_length(m0, NULL); >> if (space > sbspace(sb)) >> return (0); >> n->m_next = m0; /* concatenate data to control */ > > Looks like there is a problem here, as you removed the 'n = m' > initialization. m_length's returns the pointer to the last mbuf in the chain in the second argument, so n should have the same value as before. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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