linux-kernel - [PATCH 5.4 055/102] dpaa2-eth: Fix minor bug in ethtool stats reporting

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Date:   Fri, 24 Jan 2020 10:30:56 +0100
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>,
        Ioana Ciornei <ioana.ciornei@....com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 055/102] dpaa2-eth: Fix minor bug in ethtool stats reporting

From: Ioana Radulescu <ruxandra.radulescu@....com>

[ Upstream commit 4b177f065e7ec37399b18e18412a8c7b75f8f299 ]

Don't print error message for a successful return value.

Fixes: d84c3a4ded96 ("dpaa2-eth: Add new DPNI statistics counters")

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@....com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@....com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
index 0aa1c34019bbe..dc9a6c36cac02 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
@@ -216,7 +216,7 @@ static void dpaa2_eth_get_ethtool_stats(struct net_device *net_dev,
 		if (err == -EINVAL)
 			/* Older firmware versions don't support all pages */
 			memset(&dpni_stats, 0, sizeof(dpni_stats));
-		else
+		else if (err)
 			netdev_warn(net_dev, "dpni_get_stats(%d) failed\n", j);
 
 		num_cnt = dpni_stats_page_size[j] / sizeof(u64);
-- 
2.20.1