audit: check audit_enabled in audit_tree_log_remove_rule()

Respect the audit_enabled flag when printing tree rule config change
records.

See: https://github.com/linux-audit/audit-kernel/issues/50

Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
[PM: tweak the subject line]
Signed-off-by: Paul Moore <paul@paul-moore.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
index c99ebaae5abc..9f6eaeb6919f 100644
--- a/kernel/audit_tree.c
+++ b/kernel/audit_tree.c
@@ -497,6 +497,8 @@ static void audit_tree_log_remove_rule(struct audit_krule *rule)
 {
         struct audit_buffer *ab;
 
+        if (!audit_enabled)
+                return;
         ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE);
         if (unlikely(!ab))
                 return;