From: Maulik Mankad <maulik@xxxxxx>
When USB CV MSC tests are run on f_mass_storage gadget
Bulk Only Mass Storage Reset fails since req->length
is set to USB_BUFSIZ=1024 in composite_setup().
Initialize req->length to zero to fix this.
Signed-off-by: Maulik Mankad <maulik@xxxxxx>
Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Cc: Michal Nazarewicz <mina86@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/usb/gadget/composite.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 53e0496..c2251c4 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -813,7 +813,7 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
*/
req->zero = 0;
req->complete = composite_setup_complete;
- req->length = USB_BUFSIZ;
+ req->length = 0;
gadget->ep0->driver_data = cdev;
switch (ctrl->bRequest) {
--
1.7.4.1
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