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authorIvan Vecera <ivecera@redhat.com>2013-12-04 21:06:51 +0400
committerDavid S. Miller <davem@davemloft.net>2013-12-06 05:59:22 +0400
commit86d9be263a7ad6f17214d7f112b4c8739137485d (patch)
tree3f15092b48bcdb275957cc801c7370629002aee1 /drivers/net
parent89015c18ff34a39e4679ddd9b058e74d7dde28e7 (diff)
downloadlinux-86d9be263a7ad6f17214d7f112b4c8739137485d.tar.xz
forcedeth: run loopback test only on chipsets that support it
The driver incorrectly run loopback test on chips that don't support it. Loopback test is only supported by chips that has DEV_HAS_TEST_EXTENDED flag and returns 4 (NV_TEST_COUNT_EXTENDED) as test count. Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/nvidia/forcedeth.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c
index 2d045be4b5cf..1e8b9514718b 100644
--- 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;
}