[PATCH] audit: don't generate loginuid log when audit disabled

From: Gao feng <gaofeng(a)cn.fujitsu.com&gt; If audit is disabled, we shouldn't generate loginuid audit log. Cc: stable(a)vger.kernel.org # v3.13-rc1 Acked-by: Eric Paris <eparis(a)redhat.com&gt; Signed-off-by: Gao feng <gaofeng(a)cn.fujitsu.com&gt; Signed-off-by: Richard Guy Briggs <rgb(a)redhat.com&gt; Signed-off-by: Eric Paris <eparis(a)redhat.com&gt; --- Already upstream in 3.14-rc1. This fixes a bug introduced by: da0a6104 audit: loginuid functions coding style kernel/auditsc.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/kernel/auditsc.c b/kernel/auditsc.c index df1e685..9ab02fa 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -1971,6 +1971,9 @@ static void audit_log_set_loginuid(kuid_t koldloginuid, kuid_t kloginuid, 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), -- 1.7.1