IMA: reject policies with unknown entries

Currently the ima policy load code will print what it doesn't understand
but really I think it should reject any policy it doesn't understand.  This
patch makes it so!

Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Mimi Zohar <zohar@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index 012701157378..dee2dc062bcc 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -398,6 +398,7 @@ static int ima_parse_rule(char *rule, struct ima_measure_rule_entry *entry)
                                                    AUDIT_SUBJ_TYPE);
                         break;
                 case Opt_err:
+                        result = -EINVAL;
                         audit_log_format(ab, "UNKNOWN=%s ", p);
                         break;
                 }