usb: host: use usb_endpoint_maxp instead of usb_maxpacket
authorYan Zhu <zhuyan34@huawei.com>
Thu, 18 Apr 2019 15:25:21 +0000 (23:25 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 19 Apr 2019 12:23:34 +0000 (14:23 +0200)
fhci_queue_urb() shouldn't use urb->pipe to compute the maxpacket
size anyway.It should use usb_endpoint_maxp(&urb->ep->desc).

Signed-off-by: Yan Zhu <zhuyan34@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/fhci-sched.c

index 3d12cdd5f999596be2bcc1fdb5b433d8101ebdd5..3235d530740389e67dafe3cc06f9b69eded49b83 100644 (file)
@@ -727,8 +727,7 @@ void fhci_queue_urb(struct fhci_hcd *fhci, struct urb *urb)
                }
                ed->speed = (urb->dev->speed == USB_SPEED_LOW) ?
                        FHCI_LOW_SPEED : FHCI_FULL_SPEED;
-               ed->max_pkt_size = usb_maxpacket(urb->dev,
-                       urb->pipe, usb_pipeout(urb->pipe));
+               ed->max_pkt_size = usb_endpoint_maxp(&urb->ep->desc);
                urb->ep->hcpriv = ed;
                fhci_dbg(fhci, "new ep speed=%d max_pkt_size=%d\n",
                         ed->speed, ed->max_pkt_size);
@@ -768,8 +767,7 @@ void fhci_queue_urb(struct fhci_hcd *fhci, struct urb *urb)
                if (urb->transfer_flags & URB_ZERO_PACKET &&
                                urb->transfer_buffer_length > 0 &&
                                ((urb->transfer_buffer_length %
-                               usb_maxpacket(urb->dev, urb->pipe,
-                               usb_pipeout(urb->pipe))) == 0))
+                               usb_endpoint_maxp(&urb->ep->desc)) == 0))
                        urb_state = US_BULK0;
                while (data_len > 4096) {
                        td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt,
@@ -807,8 +805,8 @@ void fhci_queue_urb(struct fhci_hcd *fhci, struct urb *urb)
                break;
        case FHCI_TF_CTRL:
                ed->dev_addr = usb_pipedevice(urb->pipe);
-               ed->max_pkt_size = usb_maxpacket(urb->dev, urb->pipe,
-                       usb_pipeout(urb->pipe));
+               ed->max_pkt_size = usb_endpoint_maxp(&urb->ep->desc);
+
                /* setup stage */
                td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt++, FHCI_TA_SETUP,
                        USB_TD_TOGGLE_DATA0, urb->setup_packet, 8, 0, 0, true);