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-rw-r--r--sys/kern/subr_bus.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/subr_bus.c b/sys/kern/subr_bus.c
index 092f410..4f2f836 100644
--- a/sys/kern/subr_bus.c
+++ b/sys/kern/subr_bus.c
@@ -220,6 +220,8 @@ static d_poll_t devpoll;
#define CDEV_MAJOR 173
static struct cdevsw dev_cdevsw = {
+ .d_version = D_VERSION,
+ .d_flags = D_NEEDGIANT,
.d_open = devopen,
.d_close = devclose,
.d_read = devread,
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