usbip: Fix vhci_urb_enqueue() URB null transfer buffer error path (2c904963) · Commits · 戴 / test

Fix vhci_urb_enqueue() to print debug msg and return error instead of failing with BUG_ON. Signed-off-by:

drivers/usb/usbip/vhci_hcd.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -702,8 +702,10 @@ static int vhci_urb_enqueue(struct usb_hcd hcd, struct urb urb, gfp_t mem_flag
		}
		vdev = &vhci_hcd->vdev[portnum-1];

		/* patch to usb_sg_init() is in 2.5.60 */
		BUG_ON(!urb->transfer_buffer && urb->transfer_buffer_length);
		if (!urb->transfer_buffer && urb->transfer_buffer_length) {
		dev_dbg(dev, "Null URB transfer buffer\n");
		return -EINVAL;
		}

		spin_lock_irqsave(&vhci->lock, flags);