USB: xhci: Handle babble errors on transfers.

Pass back a babble error when this error code is seen in the transfer event TRB.

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

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 1fc0decfa0a..0903e98989e 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -876,6 +876,10 @@ static int handle_tx_event(struct xhci_hcd *xhci,
                 xhci_warn(xhci, "WARN: transfer error on endpoint\n");
                 status = -EPROTO;
                 break;
+        case COMP_BABBLE:
+                xhci_warn(xhci, "WARN: babble error on endpoint\n");
+                status = -EOVERFLOW;
+                break;
         case COMP_DB_ERR:
                 xhci_warn(xhci, "WARN: HC couldn't access mem fast enough\n");
                 status = -ENOSR;