net/netlabel: Add list_next_rcu() in rcu_dereference().

Add list_next_rcu() for fetching next list in rcu_deference safely. Found with sparse in linux-next tree on tag next-20171116. Signed-off-by: Tim Hansen <[email protected]> Signed-off-by: David S. Miller <[email protected]>
kyagi · Nov 18, 2017 · 17e4857 · 17e4857
1 parent 58fedca
commit 17e4857
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/net/netlabel/netlabel_addrlist.h b/net/netlabel/netlabel_addrlist.h
@@ -87,7 +87,7 @@ static inline struct netlbl_af4list *__af4list_valid_rcu(struct list_head *s,
 	struct list_head *i = s;
 	struct netlbl_af4list *n = __af4list_entry(s);
 	while (i != h && !n->valid) {
-		i = rcu_dereference(i->next);
+		i = rcu_dereference(list_next_rcu(i));
 		n = __af4list_entry(i);
 	}
 	return n;
@@ -154,7 +154,7 @@ static inline struct netlbl_af6list *__af6list_valid_rcu(struct list_head *s,
 	struct list_head *i = s;
 	struct netlbl_af6list *n = __af6list_entry(s);
 	while (i != h && !n->valid) {
-		i = rcu_dereference(i->next);
+		i = rcu_dereference(list_next_rcu(i));
 		n = __af6list_entry(i);
 	}
 	return n;