Thread (16 messages) flat view 16 messages, 2 authors, 2018-11-06
STALE2861d

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[PATCH 08/14] netfilter: ipset: Correct rcu_dereference() call in ip_set_put_comment()

From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: 2018-11-06 08:50:55
Also in: netfilter-devel
Subsystem: netfilter, the rest · Maintainers: Pablo Neira Ayuso, Florian Westphal, Linus Torvalds 

From: Jozsef Kadlecsik <redacted>

The function is called when rcu_read_lock() is held and not
when rcu_read_lock_bh() is held.

Signed-off-by: Jozsef Kadlecsik <redacted>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 include/linux/netfilter/ipset/ip_set_comment.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/netfilter/ipset/ip_set_comment.h b/include/linux/netfilter/ipset/ip_set_comment.h
index 8e2bab1e8e90..70877f8de7e9 100644
--- a/include/linux/netfilter/ipset/ip_set_comment.h
+++ b/include/linux/netfilter/ipset/ip_set_comment.h
@@ -43,11 +43,11 @@ ip_set_init_comment(struct ip_set *set, struct ip_set_comment *comment,
 	rcu_assign_pointer(comment->c, c);
 }
 
-/* Used only when dumping a set, protected by rcu_read_lock_bh() */
+/* Used only when dumping a set, protected by rcu_read_lock() */
 static inline int
 ip_set_put_comment(struct sk_buff *skb, const struct ip_set_comment *comment)
 {
-	struct ip_set_comment_rcu *c = rcu_dereference_bh(comment->c);
+	struct ip_set_comment_rcu *c = rcu_dereference(comment->c);
 
 	if (!c)
 		return 0;
-- 
2.11.0
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