diff options
Diffstat (limited to 'drivers/net/usb/huawei_cdc_ncm.c')
| -rw-r--r-- | drivers/net/usb/huawei_cdc_ncm.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/usb/huawei_cdc_ncm.c b/drivers/net/usb/huawei_cdc_ncm.c index f9822bc75425..5d95a13dbe2a 100644 --- a/drivers/net/usb/huawei_cdc_ncm.c +++ b/drivers/net/usb/huawei_cdc_ncm.c @@ -84,12 +84,13 @@ static int huawei_cdc_ncm_bind(struct usbnet *usbnet_dev, ctx = drvstate->ctx; if (usbnet_dev->status) - /* CDC-WMC r1.1 requires wMaxCommand to be "at least 256 - * decimal (0x100)" + /* The wMaxCommand buffer must be big enough to hold + * any message from the modem. Experience has shown + * that some replies are more than 256 bytes long */ subdriver = usb_cdc_wdm_register(ctx->control, &usbnet_dev->status->desc, - 256, /* wMaxCommand */ + 1024, /* wMaxCommand */ huawei_cdc_ncm_wdm_manage_power); if (IS_ERR(subdriver)) { ret = PTR_ERR(subdriver); |