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-rw-r--r--drivers/usb/dwc3/gadget.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 97c6a5785725..07824b670440 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1231,6 +1231,14 @@ static void dwc3_prepare_trbs(struct dwc3_ep *dep)
if (!dwc3_calc_trbs_left(dep))
return;
+
+ /*
+ * Don't prepare beyond a transfer. In DWC_usb32, its transfer
+ * burst capability may try to read and use TRBs beyond the
+ * active transfer instead of stopping.
+ */
+ if (dep->stream_capable && req->request.is_last)
+ return;
}
}