[NETFILTER]: nf_log: use rcu_assign_pointer for RCU protected pointer
Also replace synchronize_net() calls by synchronize_rcu() since the
RCU protected data is also used for sysfs.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index 07e28e0..a3ff88d 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -46,11 +46,11 @@
return -EINVAL;
spin_lock(&nf_log_lock);
- nf_logging[pf] = NULL;
+ rcu_assign_pointer(nf_logging[pf], NULL);
spin_unlock(&nf_log_lock);
/* Give time to concurrent readers. */
- synchronize_net();
+ synchronize_rcu();
return 0;
}
@@ -63,11 +63,11 @@
spin_lock(&nf_log_lock);
for (i = 0; i < NPROTO; i++) {
if (nf_logging[i] == logger)
- nf_logging[i] = NULL;
+ rcu_assign_pointer(nf_logging[i], NULL);
}
spin_unlock(&nf_log_lock);
- synchronize_net();
+ synchronize_rcu();
}
EXPORT_SYMBOL(nf_log_unregister_logger);