linux-stable.git/drivers/hid/hid-u2fzero.c, branch linux-5.6.y Linux kernel stable tree HID: u2fzero: fail probe if not using USB transport 2019-04-17T14:39:43+00:00 Jiri Kosina jkosina@suse.cz 2019-04-17T14:39:43+00:00 59579a8d173ea727561868bbe989f83b2d24216f u2fzero driver is USB-only. Therefore we have to give up in ->probe() callback in case we're called with non-USB transport driver bound, otherwise the kernel will crash trying to use USBHID API on a non-USB transport. Fixes: 42337b9d4d958("HID: add driver for U2F Zero built-in LED and RNG") Reported-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> 
u2fzero driver is USB-only. Therefore we have to give up in ->probe()
callback in case we're called with non-USB transport driver bound,
otherwise the kernel will crash trying to use USBHID API on a non-USB
transport.

Fixes: 42337b9d4d958("HID: add driver for U2F Zero built-in LED and RNG")
Reported-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
HID: add driver for U2F Zero built-in LED and RNG 2019-04-10T11:59:39+00:00 Andrej Shadura andrew.shadura@collabora.co.uk 2019-04-01T12:42:00+00:00 42337b9d4d958daae266dc455a54e3b9f157862a U2F Zero supports custom commands for blinking the LED and getting data from the internal hardware RNG. Expose the blinking function as a LED device, and the internal hardware RNG as an HWRNG so that it can be used to feed the enthropy pool. Signed-off-by: Andrej Shadura <andrew.shadura@collabora.co.uk> Signed-off-by: Jiri Kosina <jkosina@suse.cz> 
U2F Zero supports custom commands for blinking the LED and getting data
from the internal hardware RNG. Expose the blinking function as a LED
device, and the internal hardware RNG as an HWRNG so that it can be used
to feed the enthropy pool.

Signed-off-by: Andrej Shadura <andrew.shadura@collabora.co.uk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>