From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: [patch iproute2] tc: fix command "tc actions del" hang issue
Date: Thu, 14 Dec 2017 21:16:58 -0800
Message-ID: <20171214211658.40eb8290@xeon-e3>
References: <20171214090900.14336-1-chrism@mellanox.com>
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Cc: netdev@vger.kernel.org, jiri@resnulli.us
To: Chris Mi <chrism@mellanox.com>
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On Thu, 14 Dec 2017 18:09:00 +0900
Chris Mi <chrism@mellanox.com> wrote:

> If command is RTM_DELACTION, a non-NULL pointer is passed to rtnl_talk().
> Then flag NLM_F_ACK is not set on n->nlmsg_flags and netlink_ack() will
> not be called. Command tc will wait for the reply for ever.
> 
> Fixes: 86bf43c7c2fd ("lib/libnetlink: update rtnl_talk to support malloc
> buff at run time")
> Signed-off-by: Chris Mi <chrism@mellanox.com>
> Reviewed-by: Jiri Pirko <jiri@mellanox.com>

Thanks for fixing this.
Applied, but please don't linewrap the fixes tag.