Use the iso_frame_desc.actual_length field instead of length when
reading isoc in data segments from the HWA. This fixes a case where the
isoc in read URB would never complete because it expected the HWA to
send more data than it actually did. When this happened the URB would
be stuck in the driver preventing module unload and clean shutdown.
Signed-off-by: Thomas Pugliese <thomas.pugli...@gmail.com>
---
drivers/usb/wusbcore/wa-xfer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c
index 7c9887c..0636206 100644
--- a/drivers/usb/wusbcore/wa-xfer.c
+++ b/drivers/usb/wusbcore/wa-xfer.c
@@ -2159,7 +2159,7 @@ static void __wa_populate_buf_in_urb_isoc(struct wahc
*wa, struct wa_xfer *xfer,
wa->buf_in_urb->transfer_dma = xfer->urb->transfer_dma +
xfer->urb->iso_frame_desc[curr_iso_frame].offset;
wa->buf_in_urb->transfer_buffer_length =
- xfer->urb->iso_frame_desc[curr_iso_frame].length;
+ xfer->urb->iso_frame_desc[curr_iso_frame].actual_length;
wa->buf_in_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
wa->buf_in_urb->transfer_buffer = NULL;
wa->buf_in_urb->sg = NULL;
--
1.8.3.2
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