linux-kernel - [PATCH] usb/dwc3: replace of_node_put with _

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]

Date: Fri,  5 Apr 2024 21:48:38 -0500
From: Andrew Ballance <andrewjballance@...il.com>
To: linux-kernel@...r.kernel.org
Cc: linux-usb@...r.kernel.org,
	gregkh@...uxfoundation.org,
	Thinh.Nguyen@...opsys.com,
	linux-kernel-mentees@...ts.linuxfoundation.org,
	skhan@...uxfoundation.org,
	Andrew Ballance <andrewjballance@...il.com>
Subject: [PATCH] usb/dwc3: replace of_node_put with __free

this relaces instances of of_node_put with __free(device_node)
in drivers/usb/dwc3/core.c

Signed-off-by: Andrew Ballance <andrewjballance@...il.com>
---
 drivers/usb/dwc3/core.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 31684cdaaae3..795a572d46cf 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1762,7 +1762,7 @@ static void dwc3_check_params(struct dwc3 *dwc)
 static struct extcon_dev *dwc3_get_extcon(struct dwc3 *dwc)
 {
 	struct device *dev = dwc->dev;
-	struct device_node *np_phy;
+	struct device_node *np_phy __free(device_node);
 	struct extcon_dev *edev = NULL;
 	const char *name;
 
@@ -1797,14 +1797,12 @@ static struct extcon_dev *dwc3_get_extcon(struct dwc3 *dwc)
 	 */
 	np_phy = of_parse_phandle(dev->of_node, "phys", 0);
 	if (of_graph_is_present(np_phy)) {
-		struct device_node *np_conn;
+		struct device_node *np_conn __free(device_node);
 
 		np_conn = of_graph_get_remote_node(np_phy, -1, -1);
 		if (np_conn)
 			edev = extcon_find_edev_by_node(np_conn);
-		of_node_put(np_conn);
 	}
-	of_node_put(np_phy);
 
 	return edev;
 }
@@ -1915,14 +1913,13 @@ static int dwc3_probe(struct platform_device *pdev)
 	dwc_res.start += DWC3_GLOBALS_REGS_START;
 
 	if (dev->of_node) {
-		struct device_node *parent = of_get_parent(dev->of_node);
+		struct device_node *parent __free(device_node) = of_get_parent(dev->of_node);
 
 		if (of_device_is_compatible(parent, "realtek,rtd-dwc3")) {
 			dwc_res.start -= DWC3_GLOBALS_REGS_START;
 			dwc_res.start += DWC3_RTK_RTD_GLOBALS_REGS_START;
 		}
 
-		of_node_put(parent);
 	}
 
 	regs = devm_ioremap_resource(dev, &dwc_res);
-- 
2.44.0