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Message-Id: <20210310220102.2484201-1-linux@rasmusvillemoes.dk>
Date: Wed, 10 Mar 2021 23:01:01 +0100
From: Rasmus Villemoes <linux@...musvillemoes.dk>
To: Andrew Morton <akpm@...ux-foundation.org>,
Hubert Jasudowicz <hubert.jasudowicz@...il.com>,
Rasmus Villemoes <linux@...musvillemoes.dk>
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH resend] kernel/cred.c: make init_groups static
init_groups is declared in both cred.h and init_task.h, but it is not
actually referenced anywhere outside of cred.c where it is defined. So
make it static and remove the declarations.
Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>
---
include/linux/cred.h | 1 -
include/linux/init_task.h | 1 -
kernel/cred.c | 2 +-
3 files changed, 1 insertion(+), 3 deletions(-)
diff --git a/include/linux/cred.h b/include/linux/cred.h
index 4c6350503697..2695ad118806 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -53,7 +53,6 @@ do { \
groups_free(group_info); \
} while (0)
-extern struct group_info init_groups;
#ifdef CONFIG_MULTIUSER
extern struct group_info *groups_alloc(int);
extern void groups_free(struct group_info *);
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index b2412b4d4c20..40fc5813cf93 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -25,7 +25,6 @@
extern struct files_struct init_files;
extern struct fs_struct init_fs;
extern struct nsproxy init_nsproxy;
-extern struct group_info init_groups;
extern struct cred init_cred;
#ifndef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
diff --git a/kernel/cred.c b/kernel/cred.c
index 421b1149c651..e1d274cd741b 100644
--- a/kernel/cred.c
+++ b/kernel/cred.c
@@ -33,7 +33,7 @@ do { \
static struct kmem_cache *cred_jar;
/* init to 2 - one for init_task, one to ensure it is never freed */
-struct group_info init_groups = { .usage = ATOMIC_INIT(2) };
+static struct group_info init_groups = { .usage = ATOMIC_INIT(2) };
/*
* The initial credentials for the initial task
--
2.29.2
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