Messages in this thread | | | From | Michal Nazarewicz <> | Subject | Re: [PATCH] usb: f_mass_storage: test whether thread is running before starting another | Date | Wed, 06 Apr 2016 00:26:31 +0200 |
| |
On Tue, Apr 05 2016, Alan Stern wrote: > Suppose one usb_function is carrying out an I/O operation while > another one in the same config gets a Set-Interface request from the > host.
That cannot happen. A single instance of mass_storage cannot¹ be added twice to the same configuration.
¹ To be more precise, not via configfs. A legacy gadget could do that, but that would be a bug in that legacy driver, not f_mass_storage. Moreover, no current legacy gadgets do that though so IMO this is an academic discussion.
-- Best regards ミハウ “𝓶𝓲𝓷𝓪86” ナザレヴイツ «If at first you don’t succeed, give up skydiving»
| |