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>
diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index 8cc1a88..e1cd56c 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -1352,7 +1352,7 @@
len = dummy_perform_transfer(urb, req, len);
ep->last_io = jiffies;
- if (len < 0) {
+ if ((int)len < 0) {
req->req.status = len;
} else {
limit -= len;