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audit: change unnecessary globals into statics

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Variables sig_pid, audit_sig_uid and audit_sig_sid
are only used in the audit.c file across the kernel
Hence it appears no reason for declaring them as globals
This patch removes their global declarations from the .h file
and change them into static in the .c file.

Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
Jules Irenge 2020-08-03 13:34:38 +01:00 committed by Paul Moore
parent 9123e3a74e
commit 6b87024f76
2 changed files with 3 additions and 7 deletions
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6
kernel/audit.c
View File

@ -123,9 +123,9 @@ static u32 audit_backlog_limit = 64;
static u32 audit_backlog_wait_time = AUDIT_BACKLOG_WAIT_TIME;
/* The identity of the user shutting down the audit system. */
kuid_t audit_sig_uid = INVALID_UID;
pid_t audit_sig_pid = -1;
u32 audit_sig_sid = 0;
static kuid_t audit_sig_uid = INVALID_UID;
static pid_t audit_sig_pid = -1;
static u32 audit_sig_sid = 0;
/* Records can be lost in several ways:
0) [suppressed in audit_alloc]

4
kernel/audit.h
View File

@ -327,10 +327,6 @@ static inline int audit_signal_info_syscall(struct task_struct *t)
extern char *audit_unpack_string(void **bufp, size_t *remain, size_t len);
extern pid_t audit_sig_pid;
extern kuid_t audit_sig_uid;
extern u32 audit_sig_sid;
extern int audit_filter(int msgtype, unsigned int listtype);
extern void audit_ctl_lock(void);