summaryrefslogtreecommitdiffstats
path: root/net/core/ethtool.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--net/core/ethtool.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 4db9512fe..d007f1cca 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -2023,7 +2023,8 @@ 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;