USB: xhci: Return -EPROTO on a split transaction error.

When the xHCI hardware says a transfer completed with a split
transaction error, set the URB status to -EPROTO.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index d7e10ea8f0803f824f54bd350e11668e4d385a98..98437ffb065e64ecf1d7a37e7d991c00ec6d9dd0 100644 (file)
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1139,6 +1139,7 @@ static int handle_tx_event(struct xhci_hcd *xhci,
                xhci_warn(xhci, "WARN: TRB error on endpoint\n");
                status = -EILSEQ;
                break;
+       case COMP_SPLIT_ERR:
        case COMP_TX_ERR:
                xhci_warn(xhci, "WARN: transfer error on endpoint\n");
                status = -EPROTO;