usb: gadget: dummy_hcd: signedness bug in transfer()

"len" is unsigned so it's never less than zero.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2012-03-02 21:51:00 +03:00 • committed by Greg Kroah-Hartman
commit b1443ac0e4