forcedeth: run loopback test only on chipsets that support it

[cascardo/linux.git] / drivers / net / ethernet / nvidia / forcedeth.c

diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c
index 2d045be..1e8b951 100644 (file)
--- a/drivers/net/ethernet/nvidia/forcedeth.c
+++ b/drivers/net/ethernet/nvidia/forcedeth.c
@@ -5150,8 +5150,10 @@ static void nv_self_test(struct net_device *dev, struct ethtool_test *test, u64
 {
        struct fe_priv *np = netdev_priv(dev);
        u8 __iomem *base = get_hwbase(dev);
-       int result;
-       memset(buffer, 0, nv_get_sset_count(dev, ETH_SS_TEST)*sizeof(u64));
+       int result, count;
+
+       count = nv_get_sset_count(dev, ETH_SS_TEST);
+       memset(buffer, 0, count * sizeof(u64));
 
        if (!nv_link_test(dev)) {
                test->flags |= ETH_TEST_FL_FAILED;
@@ -5195,7 +5197,7 @@ static void nv_self_test(struct net_device *dev, struct ethtool_test *test, u64
                        return;
                }
 
-               if (!nv_loopback_test(dev)) {
+               if (count > NV_TEST_COUNT_BASE && !nv_loopback_test(dev)) {
                        test->flags |= ETH_TEST_FL_FAILED;
                        buffer[3] = 1;
                }