diff options
author | Niklas Neronin <niklas.neronin@linux.intel.com> | 2024-06-26 15:48:33 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-06-27 16:08:06 +0200 |
commit | 1b349f214ac7b87fd2b854db0d4ce34895776642 (patch) | |
tree | d1593a5a90b25a897c2f587b6ec97cd546fe6737 /drivers/usb | |
parent | c43e43e8a7a8ed5ecad9e2d6a7ea89f607d710e8 (diff) |
usb: xhci: add 'goto' for halted endpoint check in handle_tx_event()
Add 'goto' statement for a halted endpoint, streamlining the error
handling process. In future handle_tx_event() changes this 'goto'
statement will have more uses.
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240626124835.1023046-20-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
-rw-r--r-- | drivers/usb/host/xhci-ring.c | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index d037d3bbc767..49f8f980776b 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -2788,10 +2788,9 @@ static int handle_tx_event(struct xhci_hcd *xhci, xhci_dbg(xhci, "td_list is empty while skip flag set. Clear skip flag for slot %u ep %u.\n", slot_id, ep_index); } - if (xhci_halted_host_endpoint(ep_ctx, trb_comp_code)) - xhci_handle_halted_endpoint(xhci, ep, NULL, EP_HARD_RESET); - return 0; + td = NULL; + goto check_endpoint_halted; } td = list_first_entry(&ep_ring->td_list, struct xhci_td, @@ -2899,20 +2898,22 @@ static int handle_tx_event(struct xhci_hcd *xhci, * indefinitely. */ - if (trb_is_noop(ep_trb)) { - if (xhci_halted_host_endpoint(ep_ctx, trb_comp_code)) - xhci_handle_halted_endpoint(xhci, ep, td, EP_HARD_RESET); - } else { - td->status = status; + if (trb_is_noop(ep_trb)) + goto check_endpoint_halted; - /* update the urb's actual_length and give back to the core */ - if (usb_endpoint_xfer_control(&td->urb->ep->desc)) - process_ctrl_td(xhci, ep, ep_ring, td, ep_trb, event); - else if (usb_endpoint_xfer_isoc(&td->urb->ep->desc)) - process_isoc_td(xhci, ep, ep_ring, td, ep_trb, event); - else - process_bulk_intr_td(xhci, ep, ep_ring, td, ep_trb, event); - } + td->status = status; + + /* update the urb's actual_length and give back to the core */ + if (usb_endpoint_xfer_control(&td->urb->ep->desc)) + process_ctrl_td(xhci, ep, ep_ring, td, ep_trb, event); + else if (usb_endpoint_xfer_isoc(&td->urb->ep->desc)) + process_isoc_td(xhci, ep, ep_ring, td, ep_trb, event); + else + process_bulk_intr_td(xhci, ep, ep_ring, td, ep_trb, event); + +check_endpoint_halted: + if (xhci_halted_host_endpoint(ep_ctx, trb_comp_code)) + xhci_handle_halted_endpoint(xhci, ep, td, EP_HARD_RESET); return 0; |