diff options
| author | Felipe Balbi <felipe.balbi@linux.intel.com> | 2017-01-23 15:20:14 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-01-25 12:59:06 +0300 |
| commit | a60f2f2ffabe14a559510dcf347bef9a7a312516 (patch) | |
| tree | a4c33ed4a828a6a0e556977aef232f5bb1758ed7 /drivers/usb/host/xhci-ring.c | |
| parent | f45e2a02112a1ed03925521c9f48e4bdc25c7032 (diff) | |
| download | linux-a60f2f2ffabe14a559510dcf347bef9a7a312516.tar.xz | |
usb: host: xhci: unconditionally call xhci_unmap_td_bounce_buffer()
xhci_unmap_td_bounce_buffer() already checks for a valid td->bounce_seg
and bails out early if that's invalid. There's no need to check for this
twice.
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 0de9966451f9..8b78eee86262 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -793,8 +793,7 @@ remove_finished_td: * just overwrite it (because the URB has been unlinked). */ ep_ring = xhci_urb_to_transfer_ring(xhci, cur_td->urb); - if (ep_ring && cur_td->bounce_seg) - xhci_unmap_td_bounce_buffer(xhci, ep_ring, cur_td); + xhci_unmap_td_bounce_buffer(xhci, ep_ring, cur_td); inc_td_cnt(cur_td->urb); if (last_td_in_urb(cur_td)) xhci_giveback_urb_in_irq(xhci, cur_td, 0); @@ -820,8 +819,7 @@ static void xhci_kill_ring_urbs(struct xhci_hcd *xhci, struct xhci_ring *ring) if (!list_empty(&cur_td->cancelled_td_list)) list_del_init(&cur_td->cancelled_td_list); - if (cur_td->bounce_seg) - xhci_unmap_td_bounce_buffer(xhci, ring, cur_td); + xhci_unmap_td_bounce_buffer(xhci, ring, cur_td); inc_td_cnt(cur_td->urb); if (last_td_in_urb(cur_td)) @@ -1833,8 +1831,7 @@ static int xhci_td_cleanup(struct xhci_hcd *xhci, struct xhci_td *td, urb_priv = urb->hcpriv; /* if a bounce buffer was used to align this td then unmap it */ - if (td->bounce_seg) - xhci_unmap_td_bounce_buffer(xhci, ep_ring, td); + xhci_unmap_td_bounce_buffer(xhci, ep_ring, td); /* Do one last check of the actual transfer length. * If the host controller said we transferred more data than the buffer |