Re: [PATCH] usb: f_mass_storage: test whether thread is running before starting another

[Michal Nazarewicz]

> On Thu, 7 Apr 2016, Michal Nazarewicz wrote:
>> This makes me suspect itâs not possible to link a function instance to
>> the same configuration twice, but now that I think about it, Iâm not
>> quite sure what would happen if one did:
>> 
>> 	ln -s functions/mass_storage.0 configs/c.1/foo
>> 	ln -s functions/mass_storage.0 configs/c.1/bar

On Thu, Apr 07 2016, Alan Stern wrote:
> Do you think it would be worthwhile to check for this possibility in 
> the driver and report an error?

I think this should be (if it isnât already) blocked on configfs side.
I cannot see a legitimate use of such configuration and I wouldnât be
surprised if other function drivers broke as well.

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