diff options
Diffstat (limited to 'net/core/fib_notifier.c')
| -rw-r--r-- | net/core/fib_notifier.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/core/fib_notifier.c b/net/core/fib_notifier.c index 0c048bdeb016..614b985c92a4 100644 --- a/net/core/fib_notifier.c +++ b/net/core/fib_notifier.c @@ -33,6 +33,7 @@ static unsigned int fib_seq_sum(void) struct net *net; rtnl_lock(); + down_read(&net_rwsem); for_each_net(net) { rcu_read_lock(); list_for_each_entry_rcu(ops, &net->fib_notifier_ops, list) { @@ -43,6 +44,7 @@ static unsigned int fib_seq_sum(void) } rcu_read_unlock(); } + up_read(&net_rwsem); rtnl_unlock(); return fib_seq; |