diff options
Diffstat (limited to 'net/netfilter/nf_log.c')
| -rw-r--r-- | net/netfilter/nf_log.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c index 015725a5cd50..7df37fd786bc 100644 --- a/net/netfilter/nf_log.c +++ b/net/netfilter/nf_log.c @@ -52,7 +52,8 @@ int nf_log_register(u_int8_t pf, struct nf_logger *logger) } else { /* register at end of list to honor first register win */ list_add_tail(&logger->list[pf], &nf_loggers_l[pf]); - llog = rcu_dereference(nf_loggers[pf]); + llog = rcu_dereference_protected(nf_loggers[pf], + lockdep_is_held(&nf_log_mutex)); if (llog == NULL) rcu_assign_pointer(nf_loggers[pf], logger); } @@ -70,7 +71,8 @@ void nf_log_unregister(struct nf_logger *logger) mutex_lock(&nf_log_mutex); for (i = 0; i < ARRAY_SIZE(nf_loggers); i++) { - c_logger = rcu_dereference(nf_loggers[i]); + c_logger = rcu_dereference_protected(nf_loggers[i], + lockdep_is_held(&nf_log_mutex)); if (c_logger == logger) rcu_assign_pointer(nf_loggers[i], NULL); list_del(&logger->list[i]); |