From 0e326df069802dc48e4f095f889cb780e4beaba6 Mon Sep 17 00:00:00 2001 From: Paul Moore Date: Thu, 27 Jan 2022 10:56:13 -0500 Subject: selinux: various sparse fixes When running the SELinux code through sparse, there are a handful of warnings. This patch resolves some of these warnings caused by "__rcu" mismatches. % make W=1 C=1 security/selinux/ Signed-off-by: Paul Moore --- security/selinux/netnode.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'security/selinux/netnode.c') diff --git a/security/selinux/netnode.c b/security/selinux/netnode.c index 889552db0d31..0ac7df9a9367 100644 --- a/security/selinux/netnode.c +++ b/security/selinux/netnode.c @@ -164,8 +164,9 @@ static void sel_netnode_insert(struct sel_netnode *node) if (sel_netnode_hash[idx].size == SEL_NETNODE_HASH_BKT_LIMIT) { struct sel_netnode *tail; tail = list_entry( - rcu_dereference_protected(sel_netnode_hash[idx].list.prev, - lockdep_is_held(&sel_netnode_lock)), + rcu_dereference_protected( + list_tail_rcu(&sel_netnode_hash[idx].list), + lockdep_is_held(&sel_netnode_lock)), struct sel_netnode, list); list_del_rcu(&tail->list); kfree_rcu(tail, rcu); -- cgit v1.2.3