diff options
Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index f5397a517c54..94416ff70810 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1934,7 +1934,7 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td, td->urb->actual_length = td->urb->transfer_buffer_length - EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); - else + else if (!td->urb_length_set) td->urb->actual_length = 0; return finish_td(xhci, td, event_trb, event, ep, status, false); @@ -2026,8 +2026,13 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td, break; case COMP_DEV_ERR: case COMP_STALL: + frame->status = -EPROTO; + skip_td = true; + break; case COMP_TX_ERR: frame->status = -EPROTO; + if (event_trb != td->last_trb) + return 0; skip_td = true; break; case COMP_STOP: @@ -2640,7 +2645,7 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd) xhci_halt(xhci); hw_died: spin_unlock(&xhci->lock); - return -ESHUTDOWN; + return IRQ_HANDLED; } /* @@ -3776,8 +3781,11 @@ static int queue_command(struct xhci_hcd *xhci, struct xhci_command *cmd, { int reserved_trbs = xhci->cmd_ring_reserved_trbs; int ret; - if (xhci->xhc_state & XHCI_STATE_DYING) + + if (xhci->xhc_state) { + xhci_dbg(xhci, "xHCI dying or halted, can't queue_command\n"); return -ESHUTDOWN; + } if (!command_must_succeed) reserved_trbs++; |
