diff options
Diffstat (limited to 'net/core/ethtool.c')
| -rw-r--r-- | net/core/ethtool.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c index cbd1885f2459..9ae38c3e2bf0 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -1947,7 +1947,8 @@ 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; |