diff -up sudo-1.8.11p2/plugins/sudoers/linux_audit.c.auditfix sudo-1.8.11p2/plugins/sudoers/linux_audit.c

--- sudo-1.8.11p2/plugins/sudoers/linux_audit.c.auditfix	2014-11-03 12:44:53.674230966 +0100

+++ sudo-1.8.11p2/plugins/sudoers/linux_audit.c	2014-11-03 12:45:13.407021599 +0100

@@ -57,10 +57,10 @@ linux_audit_open(void)

     au_fd = audit_open();

     if (au_fd == -1) {

 	/* Kernel may not have audit support. */

-	if (errno != EINVAL && errno != EPROTONOSUPPORT && errno != EAFNOSUPPORT) {

-	    sudo_warn(U_("unable to open audit system"));

+	if (errno == EINVAL || errno == EPROTONOSUPPORT || errno == EAFNOSUPPORT)

 	    au_fd = AUDIT_NOT_CONFIGURED;

-	}

+	else

+	    sudo_warn(U_("unable to open audit system"));

     } else {

 	(void)fcntl(au_fd, F_SETFD, FD_CLOEXEC);

     }