linux-kernel - [PATCH 4/5] sysctl: make internal ctl

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Message-Id: <20240729-sysctl-const-api-v1-4-ca628c7a942c@weissschuh.net>
Date: Mon, 29 Jul 2024 22:43:33 +0200
From: Thomas Weißschuh <linux@...ssschuh.net>
To: Alexei Starovoitov <ast@...nel.org>, 
 Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, 
 Martin KaFai Lau <martin.lau@...ux.dev>, 
 Eduard Zingerman <eddyz87@...il.com>, Song Liu <song@...nel.org>, 
 Yonghong Song <yonghong.song@...ux.dev>, 
 John Fastabend <john.fastabend@...il.com>, KP Singh <kpsingh@...nel.org>, 
 Stanislav Fomichev <sdf@...ichev.me>, Hao Luo <haoluo@...gle.com>, 
 Jiri Olsa <jolsa@...nel.org>, Luis Chamberlain <mcgrof@...nel.org>, 
 Kees Cook <kees@...nel.org>, Joel Granados <j.granados@...sung.com>
Cc: bpf@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-fsdevel@...r.kernel.org, 
 Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH 4/5] sysctl: make internal ctl_tables const

Now that the sysctl core can handle registration of
"const struct ctl_table" constify the sysctl internal tables.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 fs/proc/proc_sysctl.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 01e006cc1163..c6cf21436d6c 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -30,7 +30,7 @@ static const struct file_operations proc_sys_dir_file_operations;
 static const struct inode_operations proc_sys_dir_operations;
 
 /* Support for permanently empty directories */
-static struct ctl_table sysctl_mount_point[] = { };
+static const struct ctl_table sysctl_mount_point[] = { };
 
 /**
  * register_sysctl_mount_point() - registers a sysctl mount point
@@ -62,7 +62,7 @@ void proc_sys_poll_notify(struct ctl_table_poll *poll)
 	wake_up_interruptible(&poll->wait);
 }
 
-static struct ctl_table root_table[] = {
+static const struct ctl_table root_table[] = {
 	{
 		.procname = "",
 		.mode = S_IFDIR|S_IRUGO|S_IXUGO,

-- 
2.45.2