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Date: Tue, 7 Jun 2022 19:04:02 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Miaoqian Lin <linmq006@...il.com>, Corey Minyard <cminyard@...sta.com> Subject: [PATCH 5.18 724/879] ipmi:ipmb: Fix refcount leak in ipmi_ipmb_probe From: Miaoqian Lin <linmq006@...il.com> commit a508e33956b538e034ed5df619a73ec7c15bda72 upstream. 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@...il.com> Message-Id: <20220512044445.3102-1-linmq006@...il.com> Cc: stable@...r.kernel.org # v5.17+ Signed-off-by: Corey Minyard <cminyard@...sta.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/char/ipmi/ipmi_ipmb.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/char/ipmi/ipmi_ipmb.c +++ b/drivers/char/ipmi/ipmi_ipmb.c @@ -476,6 +476,7 @@ static int ipmi_ipmb_probe(struct i2c_cl 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");
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