Am Donnerstag, 7. Mai 2009 18:51:14 schrieb Alan Stern: > > It should probably just allow it for either process that has the fd. If > > the user program claimed a port and then forked, it was probably > > intending to share ports. > > You don't understand the problem. Suppose a program tries to open a > usbfs device file. How does the kernel know whether or not that > process has opened the corresponding port file? I suppose we could Don't allow it ever. If somebody opens the port file all access of the device must come through the port fd. If you want an usbfs handle, allow creation of it through the port fd. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
