Based on the documentation of usb_[disable|enable]_autosuspend(), the caller must hold udev's device lock. Signed-off-by: Salah Triki <salah.triki@xxxxxxxxx> --- drivers/usb/misc/chaoskey.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/misc/chaoskey.c b/drivers/usb/misc/chaoskey.c index 87067c3d6109..8af00be7b9e8 100644 --- a/drivers/usb/misc/chaoskey.c +++ b/drivers/usb/misc/chaoskey.c @@ -206,7 +206,9 @@ static int chaoskey_probe(struct usb_interface *interface, if (!dev->hwrng_registered) usb_err(interface, "Unable to register with hwrng"); + usb_lock_device(udev); usb_enable_autosuspend(udev); + usb_unlock_device(udev); usb_dbg(interface, "chaoskey probe success, size %d", dev->size); return 0; -- 2.25.1
