From: Jassi Brar <jaswinder.si...@linaro.org>
We must return 0 for any OUT setup request, otherwise
protocol error may occur.
Signed-off-by: Jassi Brar <jaswinder.si...@linaro.org>
---
drivers/usb/gadget/function/f_acm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/function/f_acm.c
b/drivers/usb/gadget/function/f_acm.c
index aad8165..14d9e28 100644
--- a/drivers/usb/gadget/function/f_acm.c
+++ b/drivers/usb/gadget/function/f_acm.c
@@ -364,7 +364,7 @@ static int acm_setup(struct usb_function *f, const struct
usb_ctrlrequest *ctrl)
|| w_index != acm->ctrl_id)
goto invalid;
- value = w_length;
+ value = 0;
cdev->gadget->ep0->driver_data = acm;
req->complete = acm_complete_set_line_coding;
break;
--
1.9.1
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