[patch] usb gadget: uvc: use capped length value

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



"req->length" is a capped version of "data->length".

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
Static analysis.  I have not tested this.

diff --git a/drivers/usb/gadget/uvc_v4l2.c b/drivers/usb/gadget/uvc_v4l2.c
index 2ca9386..8770cf0 100644
--- a/drivers/usb/gadget/uvc_v4l2.c
+++ b/drivers/usb/gadget/uvc_v4l2.c
@@ -43,7 +43,7 @@ uvc_send_response(struct uvc_device *uvc, struct uvc_request_data *data)
 	req->zero = data->length < uvc->event_length;
 	req->dma = DMA_ADDR_INVALID;
 
-	memcpy(req->buf, data->data, data->length);
+	memcpy(req->buf, data->data, req->length);
 
 	return usb_ep_queue(cdev->gadget->ep0, req, GFP_KERNEL);
 }
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux