diff options
Diffstat (limited to 'drivers/staging/comedi/comedi_fops.c')
| -rw-r--r-- | drivers/staging/comedi/comedi_fops.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c index 6867b0938e15..fa5ef2ee4eda 100644 --- a/drivers/staging/comedi/comedi_fops.c +++ b/drivers/staging/comedi/comedi_fops.c @@ -1760,7 +1760,8 @@ static int comedi_open(struct inode *inode, struct file *file) const unsigned minor = iminor(inode); struct comedi_device_file_info *dev_file_info = comedi_get_device_file_info(minor); - comedi_device *dev = dev_file_info->device; + comedi_device *dev = dev_file_info ? dev_file_info->device : NULL; + if (dev == NULL) { DPRINTK("invalid minor number\n"); return -ENODEV; |