diff options
| -rw-r--r-- | kernel/bpf/hashtab.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c index fd5db8f..a68e951 100644 --- a/kernel/bpf/hashtab.c +++ b/kernel/bpf/hashtab.c @@ -619,7 +619,13 @@ out: int bpf_percpu_hash_update(struct bpf_map *map, void *key, void *value, u64 map_flags) { - return __htab_percpu_map_update_elem(map, key, value, map_flags, true); + int ret; + + rcu_read_lock(); + ret = __htab_percpu_map_update_elem(map, key, value, map_flags, true); + rcu_read_unlock(); + + return ret; } static const struct bpf_map_ops htab_percpu_ops = { |
