net: netrom: Add missing annotation for nr_neigh_start()

Sparse reports a warning at nr_neigh_start()
warning: context imbalance in nr_neigh_start() - wrong count at exit
The root cause is the missing annotation at nr_neigh_start()
Add the missing __acquires(&nr_neigh_list_lock) annotation

Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c
index 637a743..33e7b91 100644 (file)
--- a/net/netrom/nr_route.c
+++ b/net/netrom/nr_route.c
@@ -895,6 +895,7 @@ const struct seq_operations nr_node_seqops = {
 };
 
 static void *nr_neigh_start(struct seq_file *seq, loff_t *pos)
+       __acquires(&nr_neigh_list_lock)
 {
        spin_lock_bh(&nr_neigh_list_lock);
        return seq_hlist_start_head(&nr_neigh_list, *pos);