netdev - [next-queue PATCH v4 1/8] igb: Fix not adding filter elements to the list

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Message-Id: <20180308003713.29195-2-vinicius.gomes@intel.com>
Date:   Wed,  7 Mar 2018 16:37:06 -0800
From:   Vinicius Costa Gomes <vinicius.gomes@...el.com>
To:     intel-wired-lan@...ts.osuosl.org
Cc:     Vinicius Costa Gomes <vinicius.gomes@...el.com>,
        jeffrey.t.kirsher@...el.com, netdev@...r.kernel.org,
        jesus.sanchez-palencia@...el.com
Subject: [next-queue PATCH v4 1/8] igb: Fix not adding filter elements to the list

Because the order of the parameters passes to 'hlist_add_behind()' was
inverted, the 'parent' node was added "behind" the 'input', as input
is not in the list, this causes the 'input' node to be lost.

Fixes: 0e71def25281 ("igb: add support of RX network flow classification")
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@...el.com>
---
 drivers/net/ethernet/intel/igb/igb_ethtool.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index 606e6761758f..143f0bb34e4d 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -2864,7 +2864,7 @@ static int igb_update_ethtool_nfc_entry(struct igb_adapter *adapter,
 
 	/* add filter to the list */
 	if (parent)
-		hlist_add_behind(&parent->nfc_node, &input->nfc_node);
+		hlist_add_behind(&input->nfc_node, &parent->nfc_node);
 	else
 		hlist_add_head(&input->nfc_node, &adapter->nfc_filter_list);
 
-- 
2.16.2