linux-kernel - [PATCH 5.7 068/179] dpaa_eth: Fix one possible memleak in dpaa_eth

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Date:   Mon, 27 Jul 2020 16:04:03 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Liu Jian <liujian56@...wei.com>,
        Madalin Bucur <madalin.bucur@....nxp.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.7 068/179] dpaa_eth: Fix one possible memleak in dpaa_eth_probe

From: Liu Jian <liujian56@...wei.com>

[ Upstream commit 6790711f8ac5faabc43237c0d05d93db431a1ecc ]

When dma_coerce_mask_and_coherent() fails, the alloced netdev need to be freed.

Fixes: 060ad66f9795 ("dpaa_eth: change DMA device")
Signed-off-by: Liu Jian <liujian56@...wei.com>
Acked-by: Madalin Bucur <madalin.bucur@....nxp.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index 6bfa7575af942..5f82c1f32f09b 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
@@ -2938,7 +2938,7 @@ static int dpaa_eth_probe(struct platform_device *pdev)
 						   DMA_BIT_MASK(40));
 	if (err) {
 		netdev_err(net_dev, "dma_coerce_mask_and_coherent() failed\n");
-		return err;
+		goto free_netdev;
 	}
 
 	/* If fsl_fm_max_frm is set to a higher value than the all-common 1500,
-- 
2.25.1