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-rw-r--r--sys/pc98/cbus/sio.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/pc98/cbus/sio.c b/sys/pc98/cbus/sio.c
index fcab170..718214d 100644
--- a/sys/pc98/cbus/sio.c
+++ b/sys/pc98/cbus/sio.c
@@ -4314,6 +4314,10 @@ pc98_check_if_type(device_t dev, struct siodev *iod)
else
iod->irq = irq_tab[0][tmp & 0x07];
}
+ iod->cmd = 0;
+ iod->sts = 0;
+ iod->mod = 0;
+ iod->ctrl = 0;
}
if ( iod->irq == -1 ) return -1;
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