Re: [PATCH v4] usb: devio: Add ioctl to disallow detaching kernel USB drivers.

2016-02-18 Thread Alan Stern
On Sun, 14 Feb 2016, Emilio López wrote: > From: Reilly Grant > > The new USBDEVFS_DROP_PRIVILEGES ioctl allows a process to voluntarily > relinquish the ability to issue other ioctls that may interfere with > other processes and drivers that have claimed an interface on the > device. > > This

[PATCH v4] usb: devio: Add ioctl to disallow detaching kernel USB drivers.

2016-02-14 Thread Emilio López
From: Reilly Grant The new USBDEVFS_DROP_PRIVILEGES ioctl allows a process to voluntarily relinquish the ability to issue other ioctls that may interfere with other processes and drivers that have claimed an interface on the device. This commit also includes a simple utility to be able to test t