From: Roy Hashimoto <roy.hashimoto@gmail.com>
Date: Wed, 12 Mar 2008 21:55:31 +0000 (-0800)
Subject: USB: fix gadgetfs class request delegation
X-Git-Tag: v2.6.25-rc7~5^2~8
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=12cd5b984f825c5448aa4c0df561f8252076fd52;p=platform%2Fkernel%2Flinux-exynos.git

USB: fix gadgetfs class request delegation

gadgetfs (drivers/usb/gadget/inode.c) was not delegating all
non-device requests to userspace.  This patch makes the handling of
all request cases consistent.

Signed-off-by: Roy Hashimoto <hashimot@alumni.caltech.edu>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index 805602a..0a6feaf 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -1458,7 +1458,7 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
 	/* currently one config, two speeds */
 	case USB_REQ_SET_CONFIGURATION:
 		if (ctrl->bRequestType != 0)
-			break;
+			goto unrecognized;
 		if (0 == (u8) w_value) {
 			value = 0;
 			dev->current_config = 0;
@@ -1505,7 +1505,7 @@ gadgetfs_setup (struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
 	/* PXA automagically handles this request too */
 	case USB_REQ_GET_CONFIGURATION:
 		if (ctrl->bRequestType != 0x80)
-			break;
+			goto unrecognized;
 		*(u8 *)req->buf = dev->current_config;
 		value = min (w_length, (u16) 1);
 		break;