1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/usb/usbip/stub_tx.c b/drivers/usb/usbip/stub_tx.c
index b18bce96c212..53172b1f6257 100644
--- a/drivers/usb/usbip/stub_tx.c
+++ b/drivers/usb/usbip/stub_tx.c
@@ -167,6 +167,13 @@ static int stub_send_ret_submit(struct stub_device *sdev)
                 memset(&pdu_header, 0, sizeof(pdu_header));
                 memset(&msg, 0, sizeof(msg));
 
+                if (urb->actual_length > 0 && !urb->transfer_buffer) {
+                        dev_err(&sdev->udev->dev,
+                                "urb: actual_length %d transfer_buffer null\n",
+                                urb->actual_length);
+                        return -1;
+                }
+
                 if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS)
                         iovnum = 2 + urb->number_of_packets;
                 else