diff options
| author | Luis Lloret <luislloret@gmail.com> | 2007-07-26 16:08:47 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-08-22 23:27:44 +0200 |
| commit | 88e45dbbababd29cd6c80a3e0b60a828676b3ba9 (patch) | |
| tree | d3d279011484f6f55d58dff7f0eed346024e8d15 /drivers/usb | |
| parent | USB: serial: garmin_gps: fixes package loss if used from gpsbabel (diff) | |
| download | linux-88e45dbbababd29cd6c80a3e0b60a828676b3ba9.tar.xz linux-88e45dbbababd29cd6c80a3e0b60a828676b3ba9.zip | |
USB: Stall control endpoint when file storage class request wValue != 0
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 <luislloret@gmail.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/file_storage.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c index be7a1bd2823b..01ddb6d3e51b 100644 --- a/drivers/usb/gadget/file_storage.c +++ b/drivers/usb/gadget/file_storage.c @@ -1295,6 +1295,7 @@ static int class_setup_req(struct fsg_dev *fsg, 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) @@ -1308,7 +1309,7 @@ static int class_setup_req(struct fsg_dev *fsg, 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; } @@ -1324,7 +1325,7 @@ static int class_setup_req(struct fsg_dev *fsg, 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; } @@ -1343,7 +1344,7 @@ static int class_setup_req(struct fsg_dev *fsg, 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; } |