* [PATCH] net: dsa: Add missing of_node_put() in dsa_port_link_register_of
@ 2022-04-20 11:04 Miaoqian Lin
2022-04-22 12:10 ` patchwork-bot+netdevbpf
0 siblings, 1 reply; 2+ messages in thread
From: Miaoqian Lin @ 2022-04-20 11:04 UTC (permalink / raw)
To: Andrew Lunn, Vivien Didelot, Florian Fainelli, Vladimir Oltean,
David S. Miller, Jakub Kicinski, Paolo Abeni, Russell King,
netdev, linux-kernel
Cc: linmq006
The device_node pointer is returned by of_parse_phandle() with refcount
incremented. We should use of_node_put() on it when done.
of_node_put() will check for NULL value.
Fixes: a20f997010c4 ("net: dsa: Don't instantiate phylink for CPU/DSA ports unless needed")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
net/dsa/port.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/dsa/port.c b/net/dsa/port.c
index 32d472a82241..cdc56ba11f52 100644
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -1620,8 +1620,10 @@ int dsa_port_link_register_of(struct dsa_port *dp)
if (ds->ops->phylink_mac_link_down)
ds->ops->phylink_mac_link_down(ds, port,
MLO_AN_FIXED, PHY_INTERFACE_MODE_NA);
+ of_node_put(phy_np);
return dsa_port_phylink_register(dp);
}
+ of_node_put(phy_np);
return 0;
}
--
2.17.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] net: dsa: Add missing of_node_put() in dsa_port_link_register_of
2022-04-20 11:04 [PATCH] net: dsa: Add missing of_node_put() in dsa_port_link_register_of Miaoqian Lin
@ 2022-04-22 12:10 ` patchwork-bot+netdevbpf
0 siblings, 0 replies; 2+ messages in thread
From: patchwork-bot+netdevbpf @ 2022-04-22 12:10 UTC (permalink / raw)
To: Miaoqian Lin
Cc: andrew, vivien.didelot, f.fainelli, olteanv, davem, kuba, pabeni,
linux, netdev, linux-kernel
Hello:
This patch was applied to netdev/net.git (master)
by David S. Miller <davem@davemloft.net>:
On Wed, 20 Apr 2022 19:04:08 +0800 you wrote:
> The device_node pointer is returned by of_parse_phandle() with refcount
> incremented. We should use of_node_put() on it when done.
> of_node_put() will check for NULL value.
>
> Fixes: a20f997010c4 ("net: dsa: Don't instantiate phylink for CPU/DSA ports unless needed")
> Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
>
> [...]
Here is the summary with links:
- net: dsa: Add missing of_node_put() in dsa_port_link_register_of
https://git.kernel.org/netdev/net/c/fc06b2867f4c
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
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2022-04-20 11:04 [PATCH] net: dsa: Add missing of_node_put() in dsa_port_link_register_of Miaoqian Lin
2022-04-22 12:10 ` patchwork-bot+netdevbpf
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