From: John Youn <johnyoun@synopsys.com>
Date: Mon, 23 May 2016 18:32:38 +0000 (-0700)
Subject: UPSTREAM: usb: dwc3: ep0: Fix endianness of wIndex passed to dwc3_wIndex_to_dep
X-Git-Tag: firefly_0821_release~1809
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=caab0bad3bc1ee0510ab0571edf062cbe9af67ec;p=firefly-linux-kernel-4.4.55.git

UPSTREAM: usb: dwc3: ep0: Fix endianness of wIndex passed to dwc3_wIndex_to_dep

The wIndex passed in here is CPU endianness, but the function expects
little endian.

Found with sparse.

Change-Id: Ib33f0b9b4e8c3320eb590496460e2cc7274b6a0e
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Wu Liang feng <wulf@rock-chips.com>
(cherry picked from commit 958b9fa7f8cfd5799534e98ba3d05d96a5e7ccb9)
---

diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index dfe3ec71c7f3..0dc057500ff2 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -493,7 +493,7 @@ static int dwc3_ep0_handle_feature(struct dwc3 *dwc,
 	case USB_RECIP_ENDPOINT:
 		switch (wValue) {
 		case USB_ENDPOINT_HALT:
-			dep = dwc3_wIndex_to_dep(dwc, wIndex);
+			dep = dwc3_wIndex_to_dep(dwc, ctrl->wIndex);
 			if (!dep)
 				return -EINVAL;
 			if (set == 0 && (dep->flags & DWC3_EP_WEDGE))