diff options
| -rw-r--r-- | drivers/staging/comedi/comedi_fops.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index a023f522408d..fe4dbf3af2ed 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -143,6 +143,9 @@ static long comedi_unlocked_ioctl(struct file *file, unsigned int cmd, } rc = do_devconfig_ioctl(dev, (struct comedi_devconfig __user *)arg); + if (rc == 0) + /* Evade comedi_auto_unconfig(). */ + dev_file_info->hardware_device = NULL; goto done; } |