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net: dpaa2-eth: fix use-after-free in dpaa2_eth_remove

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[ Upstream commit 9b5a333272a48c2f8b30add7a874e46e8b26129c ]

Access to netdev after free_netdev() will cause use-after-free bug.
Move debug log before free_netdev() call to avoid it.

Fixes: 7472dd9f64 ("staging: fsl-dpaa2/eth: Move print message")
Signed-off-by: Pavel Skripkin <paskripkin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Pavel Skripkin
2021-11-16 18:17:12 +03:00
committed by Greg Kroah-Hartman
parent 381a30f7e3
commit 1c4099dc0d
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
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@@ -4432,10 +4432,10 @@ static int dpaa2_eth_remove(struct fsl_mc_device *ls_dev)
fsl_mc_portal_free(priv->mc_io); fsl_mc_portal_free(priv->mc_io);
free_netdev(net_dev);
dev_dbg(net_dev->dev.parent, "Removed interface %s\n", net_dev->name); dev_dbg(net_dev->dev.parent, "Removed interface %s\n", net_dev->name);
free_netdev(net_dev);
return 0; return 0;
} }