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Diffstat (limited to 'net/ethtool/cabletest.c')
-rw-r--r--net/ethtool/cabletest.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/net/ethtool/cabletest.c b/net/ethtool/cabletest.c
index 7b7a0456c15c..7194956aa09e 100644
--- a/net/ethtool/cabletest.c
+++ b/net/ethtool/cabletest.c
@@ -234,6 +234,14 @@ static int ethnl_act_cable_test_tdr_cfg(const struct nlattr *nest,
struct nlattr *tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_MAX + 1];
int ret;
+ cfg->first = 100;
+ cfg->step = 100;
+ cfg->last = MAX_CABLE_LENGTH_CM;
+ cfg->pair = PHY_PAIR_ALL;
+
+ if (!nest)
+ return 0;
+
ret = nla_parse_nested(tb, ETHTOOL_A_CABLE_TEST_TDR_CFG_MAX, nest,
cable_test_tdr_act_cfg_policy, info->extack);
if (ret < 0)
@@ -242,17 +250,12 @@ static int ethnl_act_cable_test_tdr_cfg(const struct nlattr *nest,
if (tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_FIRST])
cfg->first = nla_get_u32(
tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_FIRST]);
- else
- cfg->first = 100;
+
if (tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_LAST])
cfg->last = nla_get_u32(tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_LAST]);
- else
- cfg->last = MAX_CABLE_LENGTH_CM;
if (tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_STEP])
cfg->step = nla_get_u32(tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_STEP]);
- else
- cfg->step = 100;
if (tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_PAIR]) {
cfg->pair = nla_get_u8(tb[ETHTOOL_A_CABLE_TEST_TDR_CFG_PAIR]);
@@ -263,8 +266,6 @@ static int ethnl_act_cable_test_tdr_cfg(const struct nlattr *nest,
"invalid pair parameter");
return -EINVAL;
}
- } else {
- cfg->pair = PHY_PAIR_ALL;
}
if (cfg->first > MAX_CABLE_LENGTH_CM) {