commit 327b21da upstream.

Fix io submissions failing with ENODEV.
Signed-off-by: Mathieu Laurendeau <mat.lau@laposte.net>
Fixes: 7fe3976e ("gadget: switch ep_io_operations to ->read_iter/->write_iter")
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>