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Date:   Wed, 29 May 2019 20:03:04 -0700
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Ioana Radulescu <ruxandra.radulescu@....com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.1 186/405] dpaa2-eth: Fix Rx classification status

[ Upstream commit df8e249be866e2f762be11b14a9e7a94752614d4 ]

Set the Rx flow classification enable flag only if key config
operation is successful.

Fixes 3f9b5c9 ("dpaa2-eth: Configure Rx flow classification key")

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@....com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
index dc339dc1adb21..57cbaa38d2477 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -2796,6 +2796,7 @@ int dpaa2_eth_set_hash(struct net_device *net_dev, u64 flags)
 static int dpaa2_eth_set_cls(struct dpaa2_eth_priv *priv)
 {
 	struct device *dev = priv->net_dev->dev.parent;
+	int err;
 
 	/* Check if we actually support Rx flow classification */
 	if (dpaa2_eth_has_legacy_dist(priv)) {
@@ -2814,9 +2815,13 @@ static int dpaa2_eth_set_cls(struct dpaa2_eth_priv *priv)
 		return -EOPNOTSUPP;
 	}
 
+	err = dpaa2_eth_set_dist_key(priv->net_dev, DPAA2_ETH_RX_DIST_CLS, 0);
+	if (err)
+		return err;
+
 	priv->rx_cls_enabled = 1;
 
-	return dpaa2_eth_set_dist_key(priv->net_dev, DPAA2_ETH_RX_DIST_CLS, 0);
+	return 0;
 }
 
 /* Bind the DPNI to its needed objects and resources: buffer pool, DPIOs,
-- 
2.20.1



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