From c004d231cac709f09987f2a6dd733013039d27c3 Mon Sep 17 00:00:00 2001 From: Zhao Mengmeng Date: Wed, 19 Oct 2022 08:36:50 -0400 Subject: [PATCH] rcu: Use hlist_nulls_next_rcu() in hlist_nulls_add_tail_rcu() In commit 8dbd76e79a16 ("tcp/dccp: fix possible race __inet_lookup_established()"), function hlist_nulls_add_tail_rcu() was added back, but the local variable *last* is of type hlist_nulls_node, so use hlist_nulls_next_rcu() instead of hlist_next_rcu(). Signed-off-by: Zhao Mengmeng Signed-off-by: Paul E. McKenney --- include/linux/rculist_nulls.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/rculist_nulls.h b/include/linux/rculist_nulls.h index d8afdb8784c1c..ba4c00dd8005a 100644 --- a/include/linux/rculist_nulls.h +++ b/include/linux/rculist_nulls.h @@ -139,7 +139,7 @@ static inline void hlist_nulls_add_tail_rcu(struct hlist_nulls_node *n, if (last) { n->next = last->next; n->pprev = &last->next; - rcu_assign_pointer(hlist_next_rcu(last), n); + rcu_assign_pointer(hlist_nulls_next_rcu(last), n); } else { hlist_nulls_add_head_rcu(n, h); } -- 2.30.2