diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/comedi/comedi_fops.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index b798e42ee014..fa534fe4864b 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -2358,8 +2358,10 @@ int comedi_alloc_subdevice_minor(struct comedi_device *dev, if (!info) return -ENOMEM; info->device = dev; - info->read_subdevice = s; - info->write_subdevice = s; + if (s->subdev_flags & SDF_CMD_READ) + info->read_subdevice = s; + if (s->subdev_flags & SDF_CMD_WRITE) + info->write_subdevice = s; spin_lock(&comedi_file_info_table_lock); for (i = COMEDI_FIRST_SUBDEVICE_MINOR; i < COMEDI_NUM_MINORS; ++i) { if (comedi_file_info_table[i] == NULL) { |