IMA: set entry->action to UNKNOWN rather than hard coding

ima_parse_rule currently sets entry->action = -1 and then later tests
if (entry->action == UNKNOWN).  It is true that UNKNOWN == -1 but actually
setting it to UNKNOWN makes a lot more sense in case things change in the
future.

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

diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index c771a20..0127011 100644 (file)
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -264,7 +264,7 @@ static int ima_parse_rule(char *rule, struct ima_measure_rule_entry *entry)
        ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_INTEGRITY_RULE);
 
        entry->uid = -1;
-       entry->action = -1;
+       entry->action = UNKNOWN;
        while ((p = strsep(&rule, " ")) != NULL) {
                substring_t args[MAX_OPT_ARGS];
                int token;