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Date:   Fri, 10 Jun 2022 19:44:29 +0000
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Subject: [PATCH bpf-next v2 2/8] cgroup: Add cgroup_put() in !CONFIG_CGROUPS case
From:   Yosry Ahmed <yosryahmed@google.com>
To:     Alexei Starovoitov <ast@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Andrii Nakryiko <andrii@kernel.org>,
        Martin KaFai Lau <kafai@fb.com>,
        Song Liu <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
        John Fastabend <john.fastabend@gmail.com>,
        KP Singh <kpsingh@kernel.org>, Hao Luo <haoluo@google.com>,
        Tejun Heo <tj@kernel.org>, Zefan Li <lizefan.x@bytedance.com>,
        Johannes Weiner <hannes@cmpxchg.org>,
        Shuah Khan <shuah@kernel.org>, Michal Hocko <mhocko@kernel.org>
Cc:     Roman Gushchin <roman.gushchin@linux.dev>,
        David Rientjes <rientjes@google.com>,
        Stanislav Fomichev <sdf@google.com>,
        Greg Thelen <gthelen@google.com>,
        Shakeel Butt <shakeelb@google.com>,
        linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
        bpf@vger.kernel.org, cgroups@vger.kernel.org,
        Yosry Ahmed <yosryahmed@google.com>
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From: Hao Luo <haoluo@google.com>

There is already a cgroup_get_from_id() in the !CONFIG_CGROUPS case,
let's have a matching cgroup_put() in !CONFIG_CGROUPS too.

Signed-off-by: Hao Luo <haoluo@google.com>
Signed-off-by: Yosry Ahmed <yosryahmed@google.com>
---
 include/linux/cgroup.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 0d1ada8968d75..7485a2f939119 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -757,6 +757,9 @@ static inline struct cgroup *cgroup_get_from_id(u64 id)
 {
 	return NULL;
 }
+
+static inline void cgroup_put(struct cgroup *cgrp)
+{}
 #endif /* !CONFIG_CGROUPS */
 
 #ifdef CONFIG_CGROUPS
-- 
2.36.1.476.g0c4daa206d-goog