net: netrom: Add missing annotation for nr_neigh_start()
authorJules Irenge <jbi.octave@gmail.com>
Sun, 23 Feb 2020 23:16:53 +0000 (23:16 +0000)
committerDavid S. Miller <davem@davemloft.net>
Mon, 24 Feb 2020 21:26:49 +0000 (13:26 -0800)
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>
net/netrom/nr_route.c

index 637a743c060d8121fea656c14e0c533a6cd283c9..33e7b91fc805a7fd3537df3484b256cb1bdd8ee7 100644 (file)
@@ -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);