Make sure that dequeued urbs get handled first
by collect_qtds. To achieve that we better move them
up to the head in the qh list.
This for instance fixes hanging serial devices, which wait
for dequeued urbs to properly close their device node.
Signed-off-by: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx>
---
drivers/usb/host/isp1760-hcd.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c
index 37f017b..d4ffdc0 100644
--- a/drivers/usb/host/isp1760-hcd.c
+++ b/drivers/usb/host/isp1760-hcd.c
@@ -1673,6 +1673,7 @@ static int isp1760_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
list_for_each_entry(qtd, &qh->qtd_list, qtd_list)
if (qtd->urb == urb) {
dequeue_urb_from_qtd(hcd, qh, qtd);
+ list_move(&qtd->qtd_list, &qh->qtd_list);
break;
}
--
1.7.10
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