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-rw-r--r--sys/kern/kern_event.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/kern/kern_event.c b/sys/kern/kern_event.c
index 724b568..2f1a390 100644
--- a/sys/kern/kern_event.c
+++ b/sys/kern/kern_event.c
@@ -311,7 +311,8 @@ kqueue(struct proc *p, struct kqueue_args *uap)
TAILQ_INIT(&kq->kq_head);
fp->f_data = (caddr_t)kq;
p->p_retval[0] = fd;
- fdp->fd_knlistsize = 0; /* mark this fdesc as having a kq */
+ if (fdp->fd_knlistsize < 0)
+ fdp->fd_knlistsize = 0; /* this process has a kq */
kq->kq_fdp = fdp;
return (error);
}
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