From: WHR <msl0000023508@gmail.com>
Date: Tue, 10 Jul 2018 01:10:24 +0000 (+0800)
Subject: Fix netif_set_mtu for Solaris
X-Git-Tag: ppp-2.4.9~39^2
X-Git-Url: http://git.ozlabs.org/?a=commitdiff_plain;h=16e5b2f669ed3fc894db376fcc35f4420c19643b;hp=16e5b2f669ed3fc894db376fcc35f4420c19643b;p=ppp.git

Fix netif_set_mtu for Solaris

The MTU setting for PPP interface is originally applied in function
ppp_send_config, this funcion sets a static variable 'link_mtu' from the
function argument 'mtu', then apply it to interface later using ioctl(2).
However during commit cffe80d, this ioctl(2) calling code was moved into a
separate function netif_set_mtu, with variable name 'link_mtu' unchanged.

This new function netif_set_mtu is intended to apply the MTU for interface,
from the passed argument 'mtu'; and it is called before ppp_send_config,
so 'link_mtu' won't get updated to the correct value when ioctl(2) is called;
the MTU value should be taken from argument 'mtu' instead of 'link_mtu'.

Signed-off-by: WHR <msl0000023508@gmail.com>
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