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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-04-14 21:28:32 (GMT) |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-04-14 21:28:32 (GMT) |
commit | 4b2f8838479eb2abe042e094f7d2cced6d5ea772 (patch) | |
tree | 5ef3236b354a494c8d71a572896283e44989c696 /drivers/usb/host/xhci-ring.c | |
parent | c848791f0336914a3081ea3fe029cf177d81de81 (diff) | |
parent | 9fd85eb502a78bd812db58bd1f668b2a06ee30a5 (diff) | |
download | linux-4b2f8838479eb2abe042e094f7d2cced6d5ea772.tar.xz |
Merge branch 'devel-stable' into for-next
Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
-rw-r--r-- | drivers/usb/host/xhci-ring.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 88da8d6..5fb66db 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1729,7 +1729,7 @@ static void xhci_cleanup_halted_endpoint(struct xhci_hcd *xhci, if (!command) return; - ep->ep_state |= EP_HALTED; + ep->ep_state |= EP_HALTED | EP_RECENTLY_HALTED; ep->stopped_stream = stream_id; xhci_queue_reset_ep(xhci, command, slot_id, ep_index); @@ -1946,7 +1946,7 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td, if (event_trb != ep_ring->dequeue) { /* The event was for the status stage */ if (event_trb == td->last_trb) { - if (td->urb->actual_length != 0) { + if (td->urb_length_set) { /* Don't overwrite a previously set error code */ if ((*status == -EINPROGRESS || *status == 0) && @@ -1960,7 +1960,13 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td, td->urb->transfer_buffer_length; } } else { - /* Maybe the event was for the data stage? */ + /* + * Maybe the event was for the data stage? If so, update + * already the actual_length of the URB and flag it as + * set, so that it is not overwritten in the event for + * the last TRB. + */ + td->urb_length_set = true; td->urb->actual_length = td->urb->transfer_buffer_length - EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); |