diff options
Diffstat (limited to 'drivers/net/usb/cdc_mbim.c')
| -rw-r--r-- | drivers/net/usb/cdc_mbim.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c index 248d2dc765a5..32a76059e7da 100644 --- a/drivers/net/usb/cdc_mbim.c +++ b/drivers/net/usb/cdc_mbim.c @@ -68,18 +68,9 @@ static int cdc_mbim_bind(struct usbnet *dev, struct usb_interface *intf) struct cdc_ncm_ctx *ctx; struct usb_driver *subdriver = ERR_PTR(-ENODEV); int ret = -ENODEV; - u8 data_altsetting = CDC_NCM_DATA_ALTSETTING_NCM; + u8 data_altsetting = cdc_ncm_select_altsetting(dev, intf); struct cdc_mbim_state *info = (void *)&dev->data; - /* see if interface supports MBIM alternate setting */ - if (intf->num_altsetting == 2) { - if (!cdc_ncm_comm_intf_is_mbim(intf->cur_altsetting)) - usb_set_interface(dev->udev, - intf->cur_altsetting->desc.bInterfaceNumber, - CDC_NCM_COMM_ALTSETTING_MBIM); - data_altsetting = CDC_NCM_DATA_ALTSETTING_MBIM; - } - /* Probably NCM, defer for cdc_ncm_bind */ if (!cdc_ncm_comm_intf_is_mbim(intf->cur_altsetting)) goto err; @@ -143,7 +134,7 @@ static struct sk_buff *cdc_mbim_tx_fixup(struct usbnet *dev, struct sk_buff *skb goto error; if (skb) { - if (skb->len <= sizeof(ETH_HLEN)) + if (skb->len <= ETH_HLEN) goto error; /* mapping VLANs to MBIM sessions: @@ -332,6 +323,11 @@ static int cdc_mbim_suspend(struct usb_interface *intf, pm_message_t message) goto error; } + /* + * Both usbnet_suspend() and subdriver->suspend() MUST return 0 + * in system sleep context, otherwise, the resume callback has + * to recover device from previous suspend failure. + */ ret = usbnet_suspend(intf, message); if (ret < 0) goto error; |