The patch below does not apply to the 5.17-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From a508e33956b538e034ed5df619a73ec7c15bda72 Mon Sep 17 00:00:00 2001
From: Miaoqian Lin <linmq006@xxxxxxxxx>
Date: Thu, 12 May 2022 08:44:45 +0400
Subject: [PATCH] ipmi:ipmb: Fix refcount leak in ipmi_ipmb_probe
of_parse_phandle() returns a node pointer with refcount
incremented, we should use of_node_put() on it when done.
Add missing of_node_put() to avoid refcount leak.
Fixes: 00d93611f002 ("ipmi:ipmb: Add the ability to have a separate slave and master device")
Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
Message-Id: <20220512044445.3102-1-linmq006@xxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # v5.17+
Signed-off-by: Corey Minyard <cminyard@xxxxxxxxxx>
diff --git a/drivers/char/ipmi/ipmi_ipmb.c b/drivers/char/ipmi/ipmi_ipmb.c
index 7a83fbb4e379..ab19b4b3317e 100644
--- a/drivers/char/ipmi/ipmi_ipmb.c
+++ b/drivers/char/ipmi/ipmi_ipmb.c
@@ -475,6 +475,7 @@ static int ipmi_ipmb_probe(struct i2c_client *client)
slave_np = of_parse_phandle(dev->of_node, "slave-dev", 0);
if (slave_np) {
slave_adap = of_get_i2c_adapter_by_node(slave_np);
+ of_node_put(slave_np);
if (!slave_adap) {
dev_notice(&client->dev,
"Could not find slave adapter\n");
