* [PATCH] net: dsa: lantiq_gswip: fix use after free in gswip_remove()
@ 2022-02-15 10:42 Alexey Khoroshilov
2022-02-15 12:14 ` Andrew Lunn
2022-02-17 5:20 ` patchwork-bot+netdevbpf
0 siblings, 2 replies; 3+ messages in thread
From: Alexey Khoroshilov @ 2022-02-15 10:42 UTC (permalink / raw)
To: Vladimir Oltean, Florian Fainelli, Jakub Kicinski
Cc: Alexey Khoroshilov, Hauke Mehrtens, Andrew Lunn, Vivien Didelot,
David S. Miller, netdev, linux-kernel, ldv-project
of_node_put(priv->ds->slave_mii_bus->dev.of_node) should be
done before mdiobus_free(priv->ds->slave_mii_bus).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Fixes: 0d120dfb5d67 ("net: dsa: lantiq_gswip: don't use devres for mdiobus")
---
drivers/net/dsa/lantiq_gswip.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/dsa/lantiq_gswip.c b/drivers/net/dsa/lantiq_gswip.c
index 320ee7fe91a8..8a7a8093a156 100644
--- a/drivers/net/dsa/lantiq_gswip.c
+++ b/drivers/net/dsa/lantiq_gswip.c
@@ -2176,8 +2176,8 @@ static int gswip_remove(struct platform_device *pdev)
if (priv->ds->slave_mii_bus) {
mdiobus_unregister(priv->ds->slave_mii_bus);
- mdiobus_free(priv->ds->slave_mii_bus);
of_node_put(priv->ds->slave_mii_bus->dev.of_node);
+ mdiobus_free(priv->ds->slave_mii_bus);
}
for (i = 0; i < priv->num_gphy_fw; i++)
--
2.7.4
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH] net: dsa: lantiq_gswip: fix use after free in gswip_remove()
2022-02-15 10:42 [PATCH] net: dsa: lantiq_gswip: fix use after free in gswip_remove() Alexey Khoroshilov
@ 2022-02-15 12:14 ` Andrew Lunn
2022-02-17 5:20 ` patchwork-bot+netdevbpf
1 sibling, 0 replies; 3+ messages in thread
From: Andrew Lunn @ 2022-02-15 12:14 UTC (permalink / raw)
To: Alexey Khoroshilov
Cc: Vladimir Oltean, Florian Fainelli, Jakub Kicinski,
Hauke Mehrtens, Vivien Didelot, David S. Miller, netdev,
linux-kernel, ldv-project
On Tue, Feb 15, 2022 at 01:42:48PM +0300, Alexey Khoroshilov wrote:
> of_node_put(priv->ds->slave_mii_bus->dev.of_node) should be
> done before mdiobus_free(priv->ds->slave_mii_bus).
>
> Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
> Fixes: 0d120dfb5d67 ("net: dsa: lantiq_gswip: don't use devres for mdiobus")
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH] net: dsa: lantiq_gswip: fix use after free in gswip_remove()
2022-02-15 10:42 [PATCH] net: dsa: lantiq_gswip: fix use after free in gswip_remove() Alexey Khoroshilov
2022-02-15 12:14 ` Andrew Lunn
@ 2022-02-17 5:20 ` patchwork-bot+netdevbpf
1 sibling, 0 replies; 3+ messages in thread
From: patchwork-bot+netdevbpf @ 2022-02-17 5:20 UTC (permalink / raw)
To: Alexey Khoroshilov
Cc: vladimir.oltean, f.fainelli, kuba, hauke, andrew, vivien.didelot,
davem, netdev, linux-kernel, ldv-project
Hello:
This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@kernel.org>:
On Tue, 15 Feb 2022 13:42:48 +0300 you wrote:
> of_node_put(priv->ds->slave_mii_bus->dev.of_node) should be
> done before mdiobus_free(priv->ds->slave_mii_bus).
>
> Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
> Fixes: 0d120dfb5d67 ("net: dsa: lantiq_gswip: don't use devres for mdiobus")
> ---
> drivers/net/dsa/lantiq_gswip.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Here is the summary with links:
- net: dsa: lantiq_gswip: fix use after free in gswip_remove()
https://git.kernel.org/netdev/net/c/8c6ae46150a4
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
^ permalink raw reply [flat|nested] 3+ messages in thread
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2022-02-15 10:42 [PATCH] net: dsa: lantiq_gswip: fix use after free in gswip_remove() Alexey Khoroshilov
2022-02-15 12:14 ` Andrew Lunn
2022-02-17 5:20 ` patchwork-bot+netdevbpf
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