Re: [RFC] rfkill - Add support for input key to control wireless radio

[Ivo van Doorn]

On Tuesday 05 December 2006 11:32, Christoph Hellwig wrote:
> > +/*
> > + * Function called by the key driver when the rfkill structure
> > + * needs to be registered.
> > + */
> > +int rfkill_register_key(struct rfkill *rfkill, int init_status)
> > +{
> > +	struct rfkill_type *type = &master->type[rfkill->key_type];
> > +	struct rfkill_key *key;
> > +	int status;
> > +
> > +	if (!rfkill)
> > +		return -EINVAL;	
> > +
> > +	if (rfkill->key_type >= KEY_TYPE_MAX)
> > +		return -EINVAL;
> > +
> > +	/*
> > +	 * Increase module use count to prevent this
> > +	 * module to be unloaded while there are still
> > +	 * registered keys.
> > +	 */
> > +	if (!try_module_get(THIS_MODULE))
> > +		return -EBUSY;
> 
> This is obviously broken.  Please add a "struct module *owner;"
> field to struct rfkill instead.

Thanks, will fix this asap.

Ivo
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