X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=net%2Fethtool%2Fioctl.c;h=939c63d6e74b7edb4e3125cce6662bd746a2c6c2;hb=dc072762f9002df1b611214e6ff71aa40663b5eb;hp=6991d77dcb2e211a8d4f107c9a576612d32cdb50;hpb=308d24d87599131127eafcb69ae886f50c9c2b63;p=platform%2Fkernel%2Flinux-rpi.git

diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index 6991d77..939c63d 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c
@@ -2074,7 +2074,8 @@ 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;