linux-kernel - [PATCH] bus: ti-sysc: Add missing of_node_put() in sysc_add_named_clock_from

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20220620093107.73809-1-wupeng58@huawei.com>
Date:   Mon, 20 Jun 2022 09:31:07 +0000
From:   Peng Wu <wupeng58@...wei.com>
To:     <tony@...mide.com>
CC:     <linux-omap@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <liwei391@...wei.com>, <wupeng58@...wei.com>
Subject: [PATCH] bus: ti-sysc: Add missing of_node_put() in sysc_add_named_clock_from_child()

of_get_next_available_child() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
Add missing of_node_put() to avoid refcount leak.

Signed-off-by: Peng Wu <wupeng58@...wei.com>
Reported-by: Hulk Robot <hulkci@...wei.com>
---
 drivers/bus/ti-sysc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
index 9a7d12332fad..73fd42dd25b3 100644
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -333,6 +333,7 @@ static int sysc_add_named_clock_from_child(struct sysc *ddata,
 		return -ENODEV;
 
 	clock = devm_get_clk_from_child(ddata->dev, child, name);
+	of_node_put(child);
 	if (IS_ERR(clock))
 		return PTR_ERR(clock);
 
-- 
2.17.1