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path: root/drivers/net/usb/qmi_wwan.c
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Diffstat (limited to 'drivers/net/usb/qmi_wwan.c')
-rw-r--r--drivers/net/usb/qmi_wwan.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 49a27dc46e5e..9cf11c83993a 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -205,6 +205,7 @@ static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
return 1;
}
if (rawip) {
+ skb_reset_mac_header(skb);
skb->dev = dev->net; /* normally set by eth_type_trans */
skb->protocol = proto;
return 1;
@@ -386,7 +387,7 @@ static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf)
}
/* errors aren't fatal - we can live with the dynamic address */
- if (cdc_ether) {
+ if (cdc_ether && cdc_ether->wMaxSegmentSize) {
dev->hard_mtu = le16_to_cpu(cdc_ether->wMaxSegmentSize);
usbnet_get_ethernet_addr(dev, cdc_ether->iMACAddress);
}