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kernel/cred.c: make init_groups static

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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.

Link: https://lkml.kernel.org/r/20210310220102.2484201-1-linux@rasmusvillemoes.dk
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Rasmus Villemoes 2021-05-06 18:02:39 -07:00 committed by Linus Torvalds
parent 8ba9d40b6b
commit 32c93976ac
3 changed files with 1 additions and 3 deletions
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1
include/linux/cred.h
View File

@ -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 *);

1
include/linux/init_task.h
View File

@ -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

2
kernel/cred.c
View File

@ -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