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usb: xhci: remove unused variable ep_ring

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Fix the build warning about variable 'ep_ring' set but not used

[Minor commit message change -Mathias]
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Corentin Labbe 2017-12-08 17:59:05 +02:00 committed by Greg Kroah-Hartman
parent ce5b2a6857
commit 58e8a4dad3
1 changed files with 0 additions and 2 deletions
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2
drivers/usb/host/xhci-ring.c
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@ -1992,7 +1992,6 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
struct xhci_virt_ep *ep, int *status)
{
struct xhci_virt_device *xdev;
struct xhci_ring *ep_ring;
unsigned int slot_id;
int ep_index;
struct xhci_ep_ctx *ep_ctx;
@ -2004,7 +2003,6 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
slot_id = TRB_TO_SLOT_ID(le32_to_cpu(event->flags));
xdev = xhci->devs[slot_id];
ep_index = TRB_TO_EP_ID(le32_to_cpu(event->flags)) - 1;
ep_ring = xhci_dma_to_transfer_ring(ep, le64_to_cpu(event->buffer));
ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index);
trb_comp_code = GET_COMP_CODE(le32_to_cpu(event->transfer_len));
requested = td->urb->transfer_buffer_length;