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audit: remove unused actx param from audit_rule_match

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The audit_rule_match() struct audit_context *actx parameter is not used
by any in-tree consumers (selinux, apparmour, integrity, smack).

The audit context is an internal audit structure that should only be
accessed by audit accessor functions.

It was part of commit 03d37d25e0 ("LSM/Audit: Introduce generic
Audit LSM hooks") but appears to have never been used.

Remove it.

Please see the github issue
https://github.com/linux-audit/audit-kernel/issues/107

Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
[PM: fixed the referenced commit title]
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
Richard Guy Briggs 2019-01-31 11:52:11 -05:00 • committed by Paul Moore
parent 57d4657716
commit 90462a5bd3
12 changed files with 26 additions and 38 deletions
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5
include/linux/security.h
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@ -1674,8 +1674,7 @@ static inline int security_key_getsecurity(struct key *key, char **_buffer)
#ifdef CONFIG_SECURITY
int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
int security_audit_rule_known(struct audit_krule *krule);
int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
struct audit_context *actx);
int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule);
void security_audit_rule_free(void *lsmrule);
#else
@ -1692,7 +1691,7 @@ static inline int security_audit_rule_known(struct audit_krule *krule)
}
static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
void *lsmrule, struct audit_context *actx)
void *lsmrule)
{
return 0;
}