diff options
| -rw-r--r-- | net/ethtool/common.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ethtool/common.c b/net/ethtool/common.c index 02f941f667dd..2607aea1fbfb 100644 --- a/net/ethtool/common.c +++ b/net/ethtool/common.c @@ -870,7 +870,8 @@ int __ethtool_get_ts_info(struct net_device *dev, { struct hwtstamp_provider *hwprov; - hwprov = rtnl_dereference(dev->hwprov); + rcu_read_lock(); + hwprov = rcu_dereference(dev->hwprov); /* No provider specified, use default behavior */ if (!hwprov) { const struct ethtool_ops *ops = dev->ethtool_ops; @@ -887,9 +888,11 @@ int __ethtool_get_ts_info(struct net_device *dev, info->so_timestamping |= SOF_TIMESTAMPING_RX_SOFTWARE | SOF_TIMESTAMPING_SOFTWARE; + rcu_read_unlock(); return err; } + rcu_read_unlock(); return ethtool_get_ts_info_by_phc(dev, info, &hwprov->desc); } |