diff options
| author | bdrewery <bdrewery@FreeBSD.org> | 2016-08-19 19:19:17 +0000 |
|---|---|---|
| committer | bdrewery <bdrewery@FreeBSD.org> | 2016-08-19 19:19:17 +0000 |
| commit | f817bdec719b90f4eb28973c11ec05511fb3d24d (patch) | |
| tree | 3a710a8c5064c5621b1726d3f751ec8d0ca9ba33 | |
| parent | a90c57525ca27b5a1bc2ebaf7e570fd9a5441801 (diff) | |
| download | FreeBSD-src-f817bdec719b90f4eb28973c11ec05511fb3d24d.zip FreeBSD-src-f817bdec719b90f4eb28973c11ec05511fb3d24d.tar.gz | |
MFS r304474:
MFC r304008:
Avoid taking PROC_LOCK in syscalls if not being traced.
Approved by: re (XXX)
| -rw-r--r-- | sys/dev/filemon/filemon.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/dev/filemon/filemon.c b/sys/dev/filemon/filemon.c index 919af9d..26e1bc3 100644 --- a/sys/dev/filemon/filemon.c +++ b/sys/dev/filemon/filemon.c @@ -137,6 +137,8 @@ filemon_proc_get(struct proc *p) { struct filemon *filemon; + if (p->p_filemon == NULL) + return (NULL); PROC_LOCK(p); filemon = filemon_acquire(p->p_filemon); PROC_UNLOCK(p); |
