4.7-stable review patch. If anyone has any objections, please let me know.
------------------ From: Felipe Balbi <[email protected]> commit 7c705dfe2ebe731c8fd068623b6b4df2d3512c08 upstream. If we stop earlier due to short packet, we will not be able to giveback all TRBs. Cc: Brian E Rogers <[email protected]> Signed-off-by: Felipe Balbi <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/usb/dwc3/gadget.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1969,7 +1969,7 @@ static int __dwc3_cleanup_done_trbs(stru s_pkt = 1; } - if (s_pkt) + if (s_pkt && !chain) return 1; if ((event->status & DEPEVT_STATUS_LST) && (trb->ctrl & (DWC3_TRB_CTRL_LST |
