diff options
| author | Alexander Bluhm <bluhm@cvs.openbsd.org> | 2018-09-10 16:14:09 +0000 |
|---|---|---|
| committer | Alexander Bluhm <bluhm@cvs.openbsd.org> | 2018-09-10 16:14:09 +0000 |
| commit | a795c82e7ebab9c24979aa1bba558e6cdaaad380 (patch) | |
| tree | 75bf4194e31d6056362ca86efedb8ddd92cc8819 /sys/kern | |
| parent | 3cddae55ac33761e4dedbc232de3d7e3eeca3767 (diff) | |
Instead of calculating the mbuf packet header length here and there,
put the algorithm into a new function m_calchdrlen(). Also set an
uninitialized m_len to 0 in NFS code.
OK claudio@
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/uipc_mbuf.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/sys/kern/uipc_mbuf.c b/sys/kern/uipc_mbuf.c index 2dda4b56292..4349c02e882 100644 --- a/sys/kern/uipc_mbuf.c +++ b/sys/kern/uipc_mbuf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uipc_mbuf.c,v 1.257 2018/09/10 12:47:02 bluhm Exp $ */ +/* $OpenBSD: uipc_mbuf.c,v 1.258 2018/09/10 16:14:07 bluhm Exp $ */ /* $NetBSD: uipc_mbuf.c,v 1.15.4.1 1996/06/13 17:11:44 cgd Exp $ */ /* @@ -327,6 +327,18 @@ m_resethdr(struct mbuf *m) m->m_pkthdr.ph_loopcnt = loopcnt; } +void +m_calchdrlen(struct mbuf *m) +{ + struct mbuf *n; + int plen = 0; + + KASSERT(m->m_flags & M_PKTHDR); + for (n = m; n; n = n->m_next) + plen += n->m_len; + m->m_pkthdr.len = plen; +} + struct mbuf * m_getclr(int nowait, int type) { |