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Message-ID: <20240828013749.8044-1-djahchankoike@gmail.com>
Date: Tue, 27 Aug 2024 22:37:02 -0300
From: Diogo Jahchan Koike <djahchankoike@...il.com>
To: "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>
Cc: Diogo Jahchan Koike <djahchankoike@...il.com>,
netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [patch net-next] ethtool: cabletest: fix wrong conditional check
In ethnl_act_cable_test_tdr, phydev is tested for the condition of being
null or an error by checking IS_ERR_OR_NULL, however the result is being
negated and lets a null phydev go through. Simply removing the logical
NOT on the conditional suffices.
---
net/ethtool/cabletest.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ethtool/cabletest.c b/net/ethtool/cabletest.c
index d365ad5f5434..f25da884b3dd 100644
--- a/net/ethtool/cabletest.c
+++ b/net/ethtool/cabletest.c
@@ -346,7 +346,7 @@ int ethnl_act_cable_test_tdr(struct sk_buff *skb, struct genl_info *info)
phydev = ethnl_req_get_phydev(&req_info,
tb[ETHTOOL_A_CABLE_TEST_TDR_HEADER],
info->extack);
- if (!IS_ERR_OR_NULL(phydev)) {
+ if (IS_ERR_OR_NULL(phydev)) {
ret = -EOPNOTSUPP;
goto out_dev_put;
}
--
2.43.0
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