From: Luis Lloret <[EMAIL PROTECTED]>
This patch makes the File Storage Gadget stall the control endpoint
when a MSC class request is made with wValue != 0. This change makes
some MSC compliance test warnings disappear.
Signed-off-by: Luis Lloret <[EMAIL PROTECTED]>
---
Thanks again, Alan, for your patience. I didn't know gmail's web editor
traded tabs for spaces.
So here is the patch again...
--- linux-2.6.21.5/drivers/usb/gadget/file_storage.c.orig 2007-07-23
13:54:53.000000000 +0200
+++ linux-2.6.21.5/drivers/usb/gadget/file_storage.c 2007-07-24
09:11:19.000000000 +0200
@@ -1296,6 +1296,7 @@ static int class_setup_req(struct fsg_de
struct usb_request *req = fsg->ep0req;
int value = -EOPNOTSUPP;
u16 w_index = le16_to_cpu(ctrl->wIndex);
+ u16 w_value = le16_to_cpu(ctrl->wValue);
u16 w_length = le16_to_cpu(ctrl->wLength);
if (!fsg->config)
@@ -1309,7 +1310,7 @@ static int class_setup_req(struct fsg_de
if (ctrl->bRequestType != (USB_DIR_OUT |
USB_TYPE_CLASS | USB_RECIP_INTERFACE))
break;
- if (w_index != 0) {
+ if (w_index != 0 || w_value != 0) {
value = -EDOM;
break;
}
@@ -1325,7 +1326,7 @@ static int class_setup_req(struct fsg_de
if (ctrl->bRequestType != (USB_DIR_IN |
USB_TYPE_CLASS | USB_RECIP_INTERFACE))
break;
- if (w_index != 0) {
+ if (w_index != 0 || w_value != 0) {
value = -EDOM;
break;
}
@@ -1344,7 +1345,7 @@ static int class_setup_req(struct fsg_de
if (ctrl->bRequestType != (USB_DIR_OUT |
USB_TYPE_CLASS | USB_RECIP_INTERFACE))
break;
- if (w_index != 0) {
+ if (w_index != 0 || w_value != 0) {
value = -EDOM;
break;
}
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