DragonFlyBSD

:Oops, this is also needed!

p.s. all these patches are malformed.  Your mailer is doing something
   bad to them.  Don't repost, I'm patching it manually.  But just to let
   you know.

-Matt

:
:Index: ppp_tty.c
:===================================================================
:RCS file: /usr/dfly/repo/src/sys/net/ppp_layer/ppp_tty.c,v
:retrieving revision 1.23
:diff u -r1.23 ppp_tty.c
:-- ppp_tty.c 22 Dec 2006 23:44:57 0000 1.23
:+++ ppp_tty.c 11 Apr 2007 03:41:54 -0000
:@ -378,12 +368,16 @
: uio>uio_resid < PPP_HDRLEN)
: return (EMSGSIZE);
:
: crit_enter();
: for (mp = &m0; uio->uio_resid; mp = &m->m_next) {
:- MGET;
:+ if ( mp == &m0 ) {
:+ MGETHDR;
:+ m->m_pkthdr.len = uio->uio_resid - PPP_HDRLEN;
:+ m->m_pkthdr.rcvif = NULL;
:+ }
:+ else
:+ MGET;
: if ((*mp = m) == NULL) {
: m_freem(m0);
:- crit_exit();
: return (ENOBUFS);
: }
: m->m_len = 0;
:

Matthew Dillon 
                    <dillon@backplane.com>

:Oops, this is also needed!
:
: crit_enter();
: for (mp = &m0; uio->uio_resid; mp = &m->m_next) {
:- MGET;
:+ if ( mp == &m0 ) {
:+ MGETHDR;
:+ m->m_pkthdr.len = uio->uio_resid - PPP_HDRLEN;
:+ m->m_pkthdr.rcvif = NULL;
:+ }
:+ else
:+ MGET;
: if ((*mp = m) == NULL) {
: m_freem(m0);
:- crit_exit();

I think that crit_exit() has to stay.

-Matt

#788 contains correct fix.