diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2021-04-19 13:03:45 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-04-19 16:23:32 -0700 |
| commit | d1f0a5e1fb4e2f2f603bec8df79ca51768f2bdae (patch) | |
| tree | 4ed8d3412ab9993fd934462287423965f612ca12 /net/ethtool/stats.c | |
| parent | 37434782d63f89de5b9c383a449b6a82dc3fa4fb (diff) | |
ethtool: stats: clarify the initialization to ETHTOOL_STAT_NOT_SET
Ido suggests we add a comment about the init of stats to -1.
This is unlikely to be clear to first time readers.
Suggested-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ethtool/stats.c')
| -rw-r--r-- | net/ethtool/stats.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ethtool/stats.c b/net/ethtool/stats.c index acb2b080c358..b7642dc96d50 100644 --- a/net/ethtool/stats.c +++ b/net/ethtool/stats.c @@ -114,6 +114,9 @@ static int stats_prepare_data(const struct ethnl_req_info *req_base, if (ret < 0) return ret; + /* Mark all stats as unset (see ETHTOOL_STAT_NOT_SET) to prevent them + * from being reported to user space in case driver did not set them. + */ memset(&data->phy_stats, 0xff, sizeof(data->phy_stats)); memset(&data->mac_stats, 0xff, sizeof(data->mac_stats)); memset(&data->ctrl_stats, 0xff, sizeof(data->mac_stats)); |