1 files changed, 0 insertions, 6 deletions

diff --git a/sys/dev/usb/usb_dev.c b/sys/dev/usb/usb_dev.c
index b7c6553db75c..cba8919255c8 100644
--- a/sys/dev/usb/usb_dev.c
+++ b/sys/dev/usb/usb_dev.c
@@ -1040,14 +1040,9 @@ usb_ioctl(struct cdev *dev, u_long cmd, caddr_t addr, int fflag, struct thread*
 	 * Performance optimisation: We try to check for IOCTL's that
 	 * don't need the USB reference first. Then we grab the USB
 	 * reference if we need it!
-	 * Note that some ioctl_post handlers would need to run with the
-	 * newbus lock held.  It cannot be acquired later because it can
-	 * introduce a LOR, so acquire it here.
 	 */
-	newbus_xlock();
 	err = usb_ref_device(cpd, &refs, 0 /* no uref */ );
 	if (err) {
-		newbus_xunlock();
 		return (ENXIO);
 	}
 	fflags = cpd->fflags;
@@ -1081,7 +1076,6 @@ usb_ioctl(struct cdev *dev, u_long cmd, caddr_t addr, int fflag, struct thread*
 	}
 done:
 	usb_unref_device(cpd, &refs);
-	newbus_xunlock();
 	return (err);
 }