linux-kernel - [PATCH] usb: musb: Fix missing of_node_put() in omap2430

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Message-Id: <20220309111033.24487-1-linmq006@gmail.com>
Date:   Wed,  9 Mar 2022 11:10:33 +0000
From:   Miaoqian Lin <linmq006@...il.com>
To:     Bin Liu <b-liu@...com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Roger Quadros <rogerq@...com>, linux-usb@...r.kernel.org,
        linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     linmq006@...il.com
Subject: [PATCH] usb: musb: Fix missing of_node_put() in omap2430_probe

The device_node pointer is returned by of_parse_phandle() with refcount
incremented. We should use of_node_put() on it when done.

Fixes: 8934d3e4d0e7 ("usb: musb: omap2430: Don't use omap_get_control_dev()")
Signed-off-by: Miaoqian Lin <linmq006@...il.com>
---
 drivers/usb/musb/omap2430.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 7d4d0713f4f0..4a963cfa385b 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -363,6 +363,7 @@ static int omap2430_probe(struct platform_device *pdev)
 	control_node = of_parse_phandle(np, "ctrl-module", 0);
 	if (control_node) {
 		control_pdev = of_find_device_by_node(control_node);
+		of_node_put(control_node);
 		if (!control_pdev) {
 			dev_err(&pdev->dev, "Failed to get control device\n");
 			ret = -EINVAL;
-- 
2.17.1