linux-kernel - linux-next: build warning after merge of the net-next tree

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Message-ID: <20180118122034.22baa9bc@canb.auug.org.au>
Date:   Thu, 18 Jan 2018 12:20:34 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     David Miller <davem@...emloft.net>,
        Networking <netdev@...r.kernel.org>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Jiri Pirko <jiri@...lanox.com>
Subject: linux-next: build warning after merge of the net-next tree

Hi all,

After merging the net-next tree, today's linux-next build (powerpc
ppc64_defconfig) produced this warning:

net/sched/cls_api.c: In function 'tc_dump_tfilter':
net/sched/cls_api.c:1362:8: warning: 'parent' may be used uninitialized in this function [-Wmaybe-uninitialized]
   if (!tcf_chain_dump(chain, q, parent, skb, cb,
        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         index_start, &index))
         ~~~~~~~~~~~~~~~~~~~~

Probably introduced by commit

  7960d1daf278 ("net: sched: use block index as a handle instead of qdisc when block is shared")

-- 
Cheers,
Stephen Rothwell