Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 17e48577 authored by Tim Hansen's avatar Tim Hansen Committed by David S. Miller
Browse files

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: default avatarTim Hansen <devtimhansen@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 58fedcad

net/netlabel/netlabel_addrlist.h

+2 −2
Original line number Diff line number Diff line
@@ -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;