selinux: simplify evaluate_cond_node()

It never fails, so it can just return void.

Signed-off-by: Ondrej Mosnacek <[e-mail]>
Reviewed-by: Stephen Smalley <[e-mail]>
Signed-off-by: Paul Moore <[e-mail]>

security/selinux/ss/conditional.c

···
  * list appropriately. If the result of the expression is undefined
  * all of the rules are disabled for safety.
  */
-int evaluate_cond_node(struct policydb *p, struct cond_node *node)
+void evaluate_cond_node(struct policydb *p, struct cond_node *node)
 {
 	int new_state;
 	struct cond_av_list *cur;
···
 				cur->node->key.specified |= AVTAB_ENABLED;
 		}
 	}
-	return 0;
 }
 
 int cond_policydb_init(struct policydb *p)

security/selinux/ss/conditional.h

···
 		struct av_decision *avd, struct extended_perms *xperms);
 void cond_compute_xperms(struct avtab *ctab, struct avtab_key *key,
 		struct extended_perms_decision *xpermd);
-int evaluate_cond_node(struct policydb *p, struct cond_node *node);
+void evaluate_cond_node(struct policydb *p, struct cond_node *node);
 
 #endif /* _CONDITIONAL_H_ */

security/selinux/ss/services.c

···
 			policydb->bool_val_to_struct[i]->state = 0;
 	}
 
-	for (cur = policydb->cond_list; cur; cur = cur->next) {
-		rc = evaluate_cond_node(policydb, cur);
-		if (rc)
-			goto out;
-	}
+	for (cur = policydb->cond_list; cur; cur = cur->next)
+		evaluate_cond_node(policydb, cur);
 
 	seqno = ++state->ss->latest_granting;
 	rc = 0;
···
 		if (booldatum)
 			booldatum->state = bvalues[i];
 	}
-	for (cur = policydb->cond_list; cur; cur = cur->next) {
-		rc = evaluate_cond_node(policydb, cur);
-		if (rc)
-			goto out;
-	}
+	for (cur = policydb->cond_list; cur; cur = cur->next)
+		evaluate_cond_node(policydb, cur);
 
 out:
 	if (bnames) {