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-rw-r--r--sys/isa/sio.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/isa/sio.c b/sys/isa/sio.c
index ee3d4f1..d8f02c9 100644
--- a/sys/isa/sio.c
+++ b/sys/isa/sio.c
@@ -388,8 +388,9 @@ static struct cdevsw sio_cdevsw = {
/* maj */ CDEV_MAJOR,
/* dump */ nodump,
/* psize */ nopsize,
- /* flags */ D_TTY,
- /* bmaj */ -1
+ /* flags */ D_TTY | D_KQFILTER,
+ /* bmaj */ -1,
+ /* kqfilter */ ttykqfilter,
};
int comconsole = -1;
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