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-rw-r--r--sys/dev/usb/usb.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/dev/usb/usb.c b/sys/dev/usb/usb.c
index 6ff8ed3..44a5544 100644
--- a/sys/dev/usb/usb.c
+++ b/sys/dev/usb/usb.c
@@ -146,6 +146,8 @@ d_ioctl_t usbioctl;
d_poll_t usbpoll;
struct cdevsw usb_cdevsw = {
+ .d_version = D_VERSION,
+ .d_flags = D_NEEDGIANT,
.d_open = usbopen,
.d_close = usbclose,
.d_read = usbread,
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