[PATCH 3.13 140/149] audit: dont generate loginuid log when audit disabled

[Greg Kroah-Hartman]

3.13-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Gao feng <gaofeng@xxxxxxxxxxxxxx>

commit c2412d91c68426e22add16550f97ae5cd988a159 upstream.

If audit is disabled, we shouldn't generate loginuid audit
log.

Acked-by: Eric Paris <eparis@xxxxxxxxxx>
Signed-off-by: Gao feng <gaofeng@xxxxxxxxxxxxxx>
Signed-off-by: Richard Guy Briggs <rgb@xxxxxxxxxx>
Signed-off-by: Eric Paris <eparis@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 kernel/auditsc.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -1971,6 +1971,9 @@ static void audit_log_set_loginuid(kuid_
 	struct audit_buffer *ab;
 	uid_t uid, ologinuid, nloginuid;
 
+	if (!audit_enabled)
+		return;
+
 	uid = from_kuid(&init_user_ns, task_uid(current));
 	ologinuid = from_kuid(&init_user_ns, koldloginuid);
 	nloginuid = from_kuid(&init_user_ns, kloginuid),


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