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devfs: fix use count leak when using TIOCSCTTY

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by matching devfs_ctty_ref

Fixes: 3b44443626 ("devfs: rework si_usecount to track opens")
This commit is contained in:
Mateusz Guzik 2021-02-08 23:10:57 +01:00
parent 57785538c6
commit 3bc17248d3
1 changed files with 1 additions and 1 deletions
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2
sys/fs/devfs/devfs_vnops.c
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@ -974,7 +974,7 @@ devfs_ioctl(struct vop_ioctl_args *ap)
/* Get rid of reference to old control tty */
if (vpold)
vrele(vpold);
devfs_ctty_unref(vpold);
}
return (error);
}