diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index d4904cc50f77..e8e38098dcf8 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -968,9 +968,6 @@ static int do_bufinfo_ioctl(struct comedi_device *dev,
 
 	s = &dev->subdevices[bi.subdevice];
 
-	if (s->lock && s->lock != file)
-		return -EACCES;
-
 	async = s->async;
 
 	if (!async) {
@@ -1744,9 +1741,6 @@ static int do_cancel_ioctl(struct comedi_device *dev, unsigned int arg,
 	if (s->async == NULL)
 		return -EINVAL;
 
-	if (s->lock && s->lock != file)
-		return -EACCES;
-
 	if (!s->busy)
 		return 0;
 
@@ -1781,9 +1775,6 @@ static int do_poll_ioctl(struct comedi_device *dev, unsigned int arg,
 		return -EINVAL;
 	s = &dev->subdevices[arg];
 
-	if (s->lock && s->lock != file)
-		return -EACCES;
-
 	if (!s->busy)
 		return 0;