diff options
Diffstat (limited to 'sys/kern/kern_event.c')
| -rw-r--r-- | sys/kern/kern_event.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/kern/kern_event.c b/sys/kern/kern_event.c index 2cf1de9dfe05..4156460552a2 100644 --- a/sys/kern/kern_event.c +++ b/sys/kern/kern_event.c @@ -170,8 +170,10 @@ filt_procattach(struct knote *kn) p = pfind(kn->kn_id); if (p == NULL) return (ESRCH); - if ((error = p_can(curproc, p, P_CAN_SEE, NULL))) + if ((error = p_can(curproc, p, P_CAN_SEE, NULL))) { + PROC_UNLOCK(p); return (error); + } kn->kn_ptr.p_proc = p; kn->kn_flags |= EV_CLEAR; /* automatically set */ @@ -185,7 +187,6 @@ filt_procattach(struct knote *kn) kn->kn_flags &= ~EV_FLAG1; } - PROC_LOCK(p); SLIST_INSERT_HEAD(&p->p_klist, kn, kn_selnext); PROC_UNLOCK(p); |