linux-kernel - [PATCH 44/45] C++: Can't declare unsized-array in struct cgroup

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Message-ID: <152261547956.30503.7547243896586878189.stgit@warthog.procyon.org.uk>
Date:   Sun, 01 Apr 2018 21:44:39 +0100
From:   David Howells <dhowells@...hat.com>
To:     linux-kernel@...r.kernel.org
Subject: [PATCH 44/45] C++: Can't declare unsized-array in struct cgroup

struct cgroup can't be defined with an unsized array in it (ancestors_ids)
as the struct is embedded in another struct.  Fix it to have a 0 in there.

Signed-off-by: David Howells <dhowells@...hat.com>
---

 include/linux/cgroup-defs.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index 9f242b876fde..86fe9c6c6466 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -428,7 +428,7 @@ struct cgroup {
 	struct cgroup_bpf bpf;
 
 	/* ids of the ancestors at each level including self */
-	int ancestor_ids[];
+	int ancestor_ids[0];
 };
 
 /*