Subject: [PATCH 06/10] qmi_wwan: add MTU default to qmap network interface

From: Daniele Palmas <[email-masked]>
Date: Fri, 4 Jan 2019 13:26:10 +0100

[ Upstream commit f87118d5760f00af7228033fbe783c7f380d2866 ]

This patch adds MTU default value to qmap network interface in
order to avoid "RTNETLINK answers: No buffer space available"
error when setting an ipv6 address.

Signed-off-by: Daniele Palmas <[email-masked]>
Acked-by: Bjørn Mork <[email-masked]>
Signed-off-by: David S. Miller <[email-masked]>
---
 drivers/net/usb/qmi_wwan.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 774e1ff01c9a..735ad838e2ba 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -123,6 +123,7 @@ static void qmimux_setup(struct net_device *dev)
 	dev->addr_len        = 0;
 	dev->flags           = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST;
 	dev->netdev_ops      = &qmimux_netdev_ops;
+	dev->mtu             = 1500;
 	dev->needs_free_netdev = true;
 }
 
-- 
2.20.1