xhci: rename size variable to num_tds

No functinal changes.
num_tds describes the number of transfer descriptor better than "size"

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 4968e9a1579e7e33765d6906228e1151ebbd8c34..40b1486e500a2123db1da6ecc26ba87fb8174c87 100644 (file)
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1337,7 +1337,7 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags)
        int ret = 0;
        unsigned int slot_id, ep_index;
        struct urb_priv *urb_priv;
-       int size, i;
+       int num_tds, i;
 
        if (!urb || xhci_check_args(hcd, urb->dev, urb->ep,
                                        true, true, __func__) <= 0)
@@ -1354,32 +1354,32 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags)
        }
 
        if (usb_endpoint_xfer_isoc(&urb->ep->desc))
-               size = urb->number_of_packets;
+               num_tds = urb->number_of_packets;
        else if (usb_endpoint_is_bulk_out(&urb->ep->desc) &&
            urb->transfer_buffer_length > 0 &&
            urb->transfer_flags & URB_ZERO_PACKET &&
            !(urb->transfer_buffer_length % usb_endpoint_maxp(&urb->ep->desc)))
-               size = 2;
+               num_tds = 2;
        else
-               size = 1;
+               num_tds = 1;
 
        urb_priv = kzalloc(sizeof(struct urb_priv) +
-                                 size * sizeof(struct xhci_td *), mem_flags);
+                          num_tds * sizeof(struct xhci_td *), mem_flags);
        if (!urb_priv)
                return -ENOMEM;
 
-       buffer = kzalloc(size * sizeof(struct xhci_td), mem_flags);
+       buffer = kzalloc(num_tds * sizeof(struct xhci_td), mem_flags);
        if (!buffer) {
                kfree(urb_priv);
                return -ENOMEM;
        }
 
-       for (i = 0; i < size; i++) {
+       for (i = 0; i < num_tds; i++) {
                urb_priv->td[i] = buffer;
                buffer++;
        }
 
-       urb_priv->length = size;
+       urb_priv->length = num_tds;
        urb_priv->td_cnt = 0;
        urb->hcpriv = urb_priv;