diff options
Diffstat (limited to 'net/ethtool/common.c')
| -rw-r--r-- | net/ethtool/common.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ethtool/common.c b/net/ethtool/common.c index eb253e0fd61b..d62dc56f2f5b 100644 --- a/net/ethtool/common.c +++ b/net/ethtool/common.c @@ -707,7 +707,9 @@ static u32 ethtool_get_max_rxfh_channel(struct net_device *dev) if (!rxfh.indir) return U32_MAX; + mutex_lock(&dev->ethtool->rss_lock); ret = dev->ethtool_ops->get_rxfh(dev, &rxfh); + mutex_unlock(&dev->ethtool->rss_lock); if (ret) { current_max = U32_MAX; goto out_free; |