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| author | mlaier <mlaier@FreeBSD.org> | 2005-05-23 17:07:16 +0000 |
|---|---|---|
| committer | mlaier <mlaier@FreeBSD.org> | 2005-05-23 17:07:16 +0000 |
| commit | 54751b46c5804e934a208492d234844e88967c08 (patch) | |
| tree | c970ac63cf8da917df79b53b000fcf8c3b55f635 /sys/net/pfil.c | |
| parent | c13418a2a73568000d642e2e12d4d7dd99b5f739 (diff) | |
| download | FreeBSD-src-54751b46c5804e934a208492d234844e88967c08.zip FreeBSD-src-54751b46c5804e934a208492d234844e88967c08.tar.gz | |
Fix semantics of ph_busy_count == -1 to pass instead of block.
PR: kern/81128
Submitted by: Joost Bekkers
MFC-after: 2 weeks
Diffstat (limited to 'sys/net/pfil.c')
| -rw-r--r-- | sys/net/pfil.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/net/pfil.c b/sys/net/pfil.c index c9b7ce7..35ac338 100644 --- a/sys/net/pfil.c +++ b/sys/net/pfil.c @@ -119,12 +119,14 @@ pfil_run_hooks(struct pfil_head *ph, struct mbuf **mp, struct ifnet *ifp, struct mbuf *m = *mp; int rv = 0; + if (ph->ph_busy_count == -1) + return (0); /* * Prevent packet filtering from starving the modification of * the packet filters. We would prefer a reader/writer locking * mechanism with guaranteed ordering, though. */ - if (ph->ph_busy_count == -1 || ph->ph_want_write) { + if (ph->ph_want_write) { m_freem(*mp); *mp = NULL; return (ENOBUFS); |
