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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 8c3733608271..8d4a6f7cba61 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -499,6 +499,7 @@ 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;
@@ -681,7 +682,7 @@ 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);
 	}