linux-kernel - [PATCH 1/2] groups: Use flexible-array member in struct group

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Message-Id: <155995eed35c3c1bdcc56e69d8997c8e4c46740a.1611620846.git.hubert.jasudowicz@gmail.com>
Date:   Tue, 26 Jan 2021 02:37:15 +0100
From:   Hubert Jasudowicz <hubert.jasudowicz@...il.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] groups: Use flexible-array member in struct group_info

Replace zero-size array with flexible array member, as recommended by
the docs.

Signed-off-by: Hubert Jasudowicz <hubert.jasudowicz@...il.com>
---
Hi, get_maintainers doesn't return anything except for the mailing list.
Sending to Andrew Morton as last resort. Sorry for accidental spam.

diff --git a/include/linux/cred.h b/include/linux/cred.h
index 18639c069263..4c6350503697 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -25,7 +25,7 @@ struct inode;
 struct group_info {
 	atomic_t	usage;
 	int		ngroups;
-	kgid_t		gid[0];
+	kgid_t		gid[];
 } __randomize_layout;
 
 /**

base-commit: 6ee1d745b7c9fd573fba142a2efdad76a9f1cb04
-- 
2.30.0