[PATCH] net/netlabel: Add list_next_rcu() in rcu_dereference().
From: Tim Hansen <hidden>
Date: 2017-11-16 17:02:31
Also in:
lkml, netdev
Subsystem:
networking [general], networking [labeled] (netlabel, labeled ipsec, secmark), the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Paul Moore, Linus Torvalds
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 <redacted> --- net/netlabel/netlabel_addrlist.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/netlabel/netlabel_addrlist.h b/net/netlabel/netlabel_addrlist.h
index d0f38bc..ac709f0 100644
--- 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;
--
2.1.4
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