diff options
| author | David S. Miller <davem@davemloft.net> | 2021-10-22 13:41:16 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-10-22 13:41:16 +0300 |
| commit | bdfa75ad70e93633e18b1ed2b3866c01aa9bf9d2 (patch) | |
| tree | 45115e9c988cbaa49f3766cbe6e6775757cb8c20 /drivers/net/usb | |
| parent | ab98bbee072c7c30c391ae742b209efebb468273 (diff) | |
| parent | 64222515138e43da1fcf288f0289ef1020427b87 (diff) | |
| download | linux-bdfa75ad70e93633e18b1ed2b3866c01aa9bf9d2.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Lots of simnple overlapping additions.
With a build fix from Stephen Rothwell.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb')
| -rw-r--r-- | drivers/net/usb/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/net/usb/usbnet.c | 4 |
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig index f87f17503373..b554054a7560 100644 --- a/drivers/net/usb/Kconfig +++ b/drivers/net/usb/Kconfig @@ -117,6 +117,7 @@ config USB_LAN78XX select PHYLIB select MICROCHIP_PHY select FIXED_PHY + select CRC32 help This option adds support for Microchip LAN78XX based USB 2 & USB 3 10/100/1000 Ethernet adapters. diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 840c1c2ab16a..80432ee0ce69 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1788,6 +1788,10 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) if (!dev->rx_urb_size) dev->rx_urb_size = dev->hard_mtu; dev->maxpacket = usb_maxpacket (dev->udev, dev->out, 1); + if (dev->maxpacket == 0) { + /* that is a broken device */ + goto out4; + } /* let userspace know we have a random address */ if (ether_addr_equal(net->dev_addr, node_id)) |