diff options
Diffstat (limited to 'net/ethtool/ioctl.c')
| -rw-r--r-- | net/ethtool/ioctl.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c index c2f1a542e6fa..932fa8225b2f 100644 --- a/net/ethtool/ioctl.c +++ b/net/ethtool/ioctl.c @@ -2099,7 +2099,8 @@ static int ethtool_get_phy_stats(struct net_device *dev, void __user *useraddr) return n_stats; if (n_stats > S32_MAX / sizeof(u64)) return -ENOMEM; - WARN_ON_ONCE(!n_stats); + if (WARN_ON_ONCE(!n_stats)) + return -EOPNOTSUPP; if (copy_from_user(&stats, useraddr, sizeof(stats))) return -EFAULT; |