summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/usb/gadget/ci_udc.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/usb/gadget/ci_udc.c b/drivers/usb/gadget/ci_udc.c
index 8ba604841c..4115cd5dab 100644
--- a/drivers/usb/gadget/ci_udc.c
+++ b/drivers/usb/gadget/ci_udc.c
@@ -404,10 +404,11 @@ static void ci_ep_submit_next_request(struct ci_ep *ci_ep)
* only 1 is used at a time since either an IN or an OUT but
* not both is queued. For an IN transaction, item currently
* points at the second of these items, so we know that we
- * can use (item - 1) to transmit the extra zero-length packet
+ * can use the other to transmit the extra zero-length packet.
*/
- item->next = (unsigned)(item - 1);
- item--;
+ struct ept_queue_item *other_item = ci_get_qtd(num, 0);
+ item->next = (unsigned)other_item;
+ item = other_item;
item->info = INFO_ACTIVE;
}