From: Thinh Nguyen Thinh.Nguyen@synopsys.com
commit a5c7682aaaa10e42928d73de1c9e1e02d2b14c2e upstream.
If an active transfer is dequeued, then the endpoint is freed to start a new transfer. Make sure to clear the endpoint's transfer wait flag for this case.
Fixes: e0d19563eb6c ("usb: dwc3: gadget: Wait for transfer completion") Cc: stable@vger.kernel.org Acked-by: Felipe Balbi balbi@kernel.org Signed-off-by: Thinh Nguyen Thinh.Nguyen@synopsys.com Link: https://lore.kernel.org/r/b81cd5b5281cfbfdadb002c4bcf5c9be7c017cfd.160982848... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/usb/dwc3/gadget.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1763,6 +1763,8 @@ static int dwc3_gadget_ep_dequeue(struct list_for_each_entry_safe(r, t, &dep->started_list, list) dwc3_gadget_move_cancelled_request(r);
+ dep->flags &= ~DWC3_EP_WAIT_TRANSFER_COMPLETE; + goto out; } }