diff options
Diffstat (limited to 'drivers/net/usb/rndis_host.c')
| -rw-r--r-- | drivers/net/usb/rndis_host.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c index cd991a0f75bb..1ebe3259be0d 100644 --- a/drivers/net/usb/rndis_host.c +++ b/drivers/net/usb/rndis_host.c | |||
| @@ -512,11 +512,19 @@ static int rndis_bind(struct usbnet *dev, struct usb_interface *intf) | |||
| 512 | } | 512 | } |
| 513 | tmp = le32_to_cpu(u.init_c->max_transfer_size); | 513 | tmp = le32_to_cpu(u.init_c->max_transfer_size); |
| 514 | if (tmp < dev->hard_mtu) { | 514 | if (tmp < dev->hard_mtu) { |
| 515 | dev_err(&intf->dev, | 515 | if (tmp <= net->hard_header_len) { |
| 516 | "dev can't take %u byte packets (max %u)\n", | 516 | dev_err(&intf->dev, |
| 517 | dev->hard_mtu, tmp); | 517 | "dev can't take %u byte packets (max %u)\n", |
| 518 | retval = -EINVAL; | 518 | dev->hard_mtu, tmp); |
| 519 | goto fail_and_release; | 519 | retval = -EINVAL; |
| 520 | goto fail_and_release; | ||
| 521 | } | ||
| 522 | dev->hard_mtu = tmp; | ||
| 523 | net->mtu = dev->hard_mtu - net->hard_header_len; | ||
| 524 | dev_warn(&intf->dev, | ||
| 525 | "dev can't take %u byte packets (max %u), " | ||
| 526 | "adjusting MTU to %u\n", | ||
| 527 | dev->hard_mtu, tmp, net->mtu); | ||
| 520 | } | 528 | } |
| 521 | 529 | ||
| 522 | /* REVISIT: peripheral "alignment" request is ignored ... */ | 530 | /* REVISIT: peripheral "alignment" request is ignored ... */ |