linux-kernel - linux-next: build failure after merge of the cgroup tree

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Date:   Mon, 29 Aug 2022 13:29:51 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Tejun Heo <tj@...nel.org>
Cc:     Michal Koutný <mkoutny@...e.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the cgroup tree

Hi all,

After merging the cgroup tree, today's linux-next build (x86_64
allmodconfig) failed like this:

mm/memcontrol.c: In function 'mem_cgroup_get_from_ino':
mm/memcontrol.c:5114:24: error: returning 'long int' from a function with return type 'struct mem_cgroup *' makes pointer from integer without a cast [-Werror=int-conversion]
 5114 |                 return PTR_ERR(cgrp);
      |                        ^~~~~~~~~~~~~

Caused by commit

  fa7e439cf90b ("cgroup: Homogenize cgroup_get_from_id() return value")

I have used the cgroup tree from next-20220826 for today.

-- 
Cheers,
Stephen Rothwell

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