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-rw-r--r--sys/kern/tty_pty.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/kern/tty_pty.c b/sys/kern/tty_pty.c
index 643f0c4..2cc1d0f 100644
--- a/sys/kern/tty_pty.c
+++ b/sys/kern/tty_pty.c
@@ -327,7 +327,8 @@ ptcopen(struct cdev *dev, int flag, int devtype, struct thread *td)
pt->pt_send = 0;
pt->pt_ucntl = 0;
- pty_create_slave(td->td_ucred, pt, minor(dev));
+ if (!pt->devs)
+ pty_create_slave(td->td_ucred, pt, minor(dev));
pt->pt_devc_open = 1;
return (0);
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