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-rw-r--r--kernel/bpf/inode.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/bpf/inode.c b/kernel/bpf/inode.c
index b48a56f53495..dd4b7fd60ee7 100644
--- a/kernel/bpf/inode.c
+++ b/kernel/bpf/inode.c
@@ -227,10 +227,12 @@ static void *map_seq_next(struct seq_file *m, void *v, loff_t *pos)
else
prev_key = key;
+ rcu_read_lock();
if (map->ops->map_get_next_key(map, prev_key, key)) {
map_iter(m)->done = true;
- return NULL;
+ key = NULL;
}
+ rcu_read_unlock();
return key;
}