IMA: fix audit res field to indicate 1 for success and 0 for failure

The audit res field ususally indicates success with a 1 and 0 for a
failure.  So make IMA do it the same way.
Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>

security/integrity/ima/ima_audit.c

@@ -61,6 +61,6 @@ void integrity_audit_msg(int audit_msgno, struct inode *inode,
 		audit_log_untrustedstring(ab, inode->i_sb->s_id);
 		audit_log_format(ab, " ino=%lu", inode->i_ino);
 	}
-	audit_log_format(ab, " res=%d", !result ? 0 : 1);
+	audit_log_format(ab, " res=%d", !result);
 	audit_log_end(ab);
 }

security/integrity/ima/ima_policy.c

@@ -418,7 +418,7 @@ static int ima_parse_rule(char *rule, struct ima_measure_rule_entry *entry)
 	if (!result && (entry->action == UNKNOWN))
 		result = -EINVAL;
 
-	audit_log_format(ab, "res=%d", !!result);
+	audit_log_format(ab, "res=%d", !result);
 	audit_log_end(ab);
 	return result;
 }