Message ID | 20241025064331.1049538-1-chenridong@huaweicloud.com (mailing list archive) |
---|---|
State | New |
Headers | show |
Series | usb: cdns3: avoid possible null_ptr_deref in cdns3_gadget_ep_queue | expand |
diff --git a/drivers/usb/cdns3/cdns3-gadget.c b/drivers/usb/cdns3/cdns3-gadget.c index fd1beb10bba7..982e8e0759e8 100644 --- a/drivers/usb/cdns3/cdns3-gadget.c +++ b/drivers/usb/cdns3/cdns3-gadget.c @@ -2657,6 +2657,10 @@ static int cdns3_gadget_ep_queue(struct usb_ep *ep, struct usb_request *request, struct cdns3_request *priv_req; zlp_request = cdns3_gadget_ep_alloc_request(ep, GFP_ATOMIC); + if (!zlp_request) { + spin_unlock_irqrestore(&priv_dev->lock, flags); + return -ENOMEM; + } zlp_request->buf = priv_dev->zlp_buf; zlp_request->length = 0;