>> diff --git a/drivers/staging/lustre/lustre/libcfs/linux/linux-module.c 
>> b/drivers/staging/lustre/lustre/libcfs/linux/linux-module.c
>> index 33f6036..64f0fbf 100644
>> --- a/drivers/staging/lustre/lustre/libcfs/linux/linux-module.c
>> +++ b/drivers/staging/lustre/lustre/libcfs/linux/linux-module.c
>> @@ -98,30 +98,22 @@ int libcfs_ioctl_popdata(void *arg, void *data, int size)
>>  static int
>>  libcfs_psdev_open(struct inode *inode, struct file *file)
>>  {
>> -    int    rc = 0;
>> -
>>      if (!inode)
>>              return -EINVAL;
>> -    if (libcfs_psdev_ops.p_open != NULL)
>> -            rc = libcfs_psdev_ops.p_open(0, NULL);
>> -    else
>> -            return -EPERM;
>> -    return rc;
>> +
>> +    try_module_get(THIS_MODULE);
>
>Note, code like this is racy and incorrect and never needed, please fix
>this up properly (hint, set the module in the file operations.)
>
>Again, if you ever see code with that line, it is incorrect.

So simple

static struct file_operations libcfs_fops = {
        .module  = THIS_MODULE,
        .unlocked_ioctl = libcfs_psdev_ioctl,
};

With the open and release deleted should do the trick then.

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