Adds hlist_first_rcu and hlist_next_rcu for safe access to the hlist in seq_hlist_next_rcu. Found on linux-next branch, tag next-20171117 with sparse. Signed-off-by: Tim Hansen <devtimhansen@xxxxxxxxx> --- fs/seq_file.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/seq_file.c b/fs/seq_file.c index fb17f35a49a6..0b966781fd60 100644 --- a/fs/seq_file.c +++ b/fs/seq_file.c @@ -968,9 +968,9 @@ struct hlist_node *seq_hlist_next_rcu(void *v, ++*ppos; if (v == SEQ_START_TOKEN) - return rcu_dereference(head->first); + return rcu_dereference(hlist_first_rcu(head)); else - return rcu_dereference(node->next); + return rcu_dereference(hlist_next_rcu(node)); } EXPORT_SYMBOL(seq_hlist_next_rcu); -- 2.15.0.rc0
