netdev - [PATCH net] dpaa2-eth: Fix use after free in dpaa2_eth

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Date:   Wed, 17 Nov 2021 10:24:33 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Ioana Ciornei <ioana.ciornei@....com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Ioana Radulescu <ruxandra.radulescu@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        netdev@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [PATCH net] dpaa2-eth: Fix use after free in dpaa2_eth_remove()

This debug message dereferences "net_dev" but it was freed on the line
before.  Just delete it.

Fixes: 7472dd9f6499 ("staging: fsl-dpaa2/eth: Move print message")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
---
 drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
index 714e961e7a77..e82874119d38 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -4552,8 +4552,6 @@ static int dpaa2_eth_remove(struct fsl_mc_device *ls_dev)
 
 	free_netdev(net_dev);
 
-	dev_dbg(net_dev->dev.parent, "Removed interface %s\n", net_dev->name);
-
 	return 0;
 }
 
-- 
2.20.1