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 <[email protected]>
[PM: tweak the subject line]
Signed-off-by: Paul Moore <[email protected]>

diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
index c99ebaae5abce26ffad74f0bef100373069a7b37..9f6eaeb6919f9d77ee6cd8684cc1f9379df4639d 100644 (file)
--- 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;