usb: gadget: dummy_hcd: signedness bug in transfer()
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 2 Mar 2012 18:51:00 +0000 (21:51 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 3 Mar 2012 00:22:11 +0000 (16:22 -0800)
"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>
drivers/usb/gadget/dummy_hcd.c

Simple merge