4.20-stable review patch. If anyone has any objections, please let me know.
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From: Daniele Palmas dnlplm@gmail.com
[ 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 dnlplm@gmail.com Acked-by: Bjørn Mork bjorn@mork.no Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/usb/qmi_wwan.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -123,6 +123,7 @@ static void qmimux_setup(struct net_devi 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; }