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-rw-r--r--drivers/net/usb/qmi_wwan.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 49a27dc46e5e..cce36e0df2eb 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -386,7 +386,7 @@ 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);
}