[PATCH] usb: dwc2: extend treatment for incomplete transfer

[Boris ARZUR <boris@xxxxxxxxx>]

Channel halt can happen with BULK endpoints when the
cpu is under high load. Treating it as an error leads
to a null-pointer dereference in dwc2_free_dma_aligned_buffer().

Signed-off-by: Boris Arzur <boris@xxxxxxxxx>
---
 drivers/usb/dwc2/hcd_intr.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/dwc2/hcd_intr.c b/drivers/usb/dwc2/hcd_intr.c
index a052d39b4375..697fed530aeb 100644
--- a/drivers/usb/dwc2/hcd_intr.c
+++ b/drivers/usb/dwc2/hcd_intr.c
@@ -1944,7 +1944,8 @@ static void dwc2_hc_chhltd_intr_dma(struct dwc2_hsotg
*hsotg,
                         */
                        dwc2_hc_ack_intr(hsotg, chan, chnum, qtd);
                } else {
-                       if (chan->ep_type == USB_ENDPOINT_XFER_INT ||
+                       if (chan->ep_type == USB_ENDPOINT_XFER_BULK ||
+                           chan->ep_type == USB_ENDPOINT_XFER_INT ||
                            chan->ep_type == USB_ENDPOINT_XFER_ISOC) {
                                /*
                                 * A periodic transfer halted with no other
--
2.23.0