netdev - Re: [PATCH net-next 7/7] rtnetlink: rtnl_have_link_slave

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Message-ID: <20170921173105.GG15946@breakpoint.cc>
Date:   Thu, 21 Sep 2017 19:31:05 +0200
From:   Florian Westphal <fw@...len.de>
To:     David Ahern <dsahern@...il.com>
Cc:     Florian Westphal <fw@...len.de>, netdev@...r.kernel.org
Subject: Re: [PATCH net-next 7/7] rtnetlink: rtnl_have_link_slave_info
 doesn't need rtnl

David Ahern <dsahern@...il.com> wrote:
> On 9/21/17 10:59 AM, Florian Westphal wrote:
> > @@ -539,6 +543,8 @@ static int rtnl_link_slave_info_fill(struct sk_buff *skb,
> >  	struct nlattr *slave_data;
> >  	int err;
> >  
> > +	ASSERT_RTNL();
> > +
[..]
master_dev = netdev_master_upper_dev_get((struct net_device *) dev);

> Since rtnl_link_slave_info_fill and rtnl_link_info_fill are only called
> by rtnl_link_fill and rtnl_link_fill is only called rtnl_fill_ifinfo
> which as the ASSERT_RTNL why add to these lower functions as well?

I'll remove this patch in v2 and will hold it back in my private queue;
these serve more as a reminder/TODO for myself rather than anything else.