diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/cdns3/ep0.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/usb/cdns3/ep0.c b/drivers/usb/cdns3/ep0.c index 04e49582fb55..61ec5bb2b0ca 100644 --- a/drivers/usb/cdns3/ep0.c +++ b/drivers/usb/cdns3/ep0.c @@ -705,15 +705,17 @@ static int cdns3_gadget_ep0_queue(struct usb_ep *ep, int ret = 0; u8 zlp = 0; + spin_lock_irqsave(&priv_dev->lock, flags); trace_cdns3_ep0_queue(priv_dev, request); /* cancel the request if controller receive new SETUP packet. */ - if (cdns3_check_new_setup(priv_dev)) + if (cdns3_check_new_setup(priv_dev)) { + spin_unlock_irqrestore(&priv_dev->lock, flags); return -ECONNRESET; + } /* send STATUS stage. Should be called only for SET_CONFIGURATION */ if (priv_dev->ep0_stage == CDNS3_STATUS_STAGE) { - spin_lock_irqsave(&priv_dev->lock, flags); cdns3_select_ep(priv_dev, 0x00); erdy_sent = !priv_dev->hw_configured_flag; @@ -738,7 +740,6 @@ static int cdns3_gadget_ep0_queue(struct usb_ep *ep, return 0; } - spin_lock_irqsave(&priv_dev->lock, flags); if (!list_empty(&priv_ep->pending_req_list)) { dev_err(priv_dev->dev, "can't handle multiple requests for ep0\n"); |