diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index ff5b3a854898..5bce86a0d063 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -215,19 +215,12 @@ static void cdc_ncm_update_rxtx_max(struct usbnet *dev, u32 new_rx, u32 new_tx) min, max, val); } - /* usbnet use these values for sizing rx queues */ - dev->rx_urb_size = val; - /* inform device about NTB input size changes */ if (val != ctx->rx_max) { __le32 dwNtbInMaxSize = cpu_to_le32(val); dev_info(&dev->intf->dev, "setting rx_max = %u\n", val); - /* need to unlink rx urbs before increasing buffer size */ - if (netif_running(dev->net) && dev->rx_urb_size > ctx->rx_max) - usbnet_unlink_rx_urbs(dev); - /* tell device to use new size */ if (usbnet_write_cmd(dev, USB_CDC_SET_NTB_INPUT_SIZE, USB_TYPE_CLASS | USB_DIR_OUT @@ -238,6 +231,13 @@ static void cdc_ncm_update_rxtx_max(struct usbnet *dev, u32 new_rx, u32 new_tx) ctx->rx_max = val; } + /* usbnet use these values for sizing rx queues */ + if (dev->rx_urb_size != ctx->rx_max) { + dev->rx_urb_size = ctx->rx_max; + if (netif_running(dev->net)) + usbnet_unlink_rx_urbs(dev); + } + /* clamp new_tx to sane values */ min = ctx->max_datagram_size + ctx->max_ndp_size + sizeof(struct usb_cdc_ncm_nth16); max = min_t(u32, CDC_NCM_NTB_MAX_SIZE_TX, le32_to_cpu(ctx->ncm_parm.dwNtbOutMaxSize));