diff mbox series

usb: renesas: Fix refcount leak bug

Message ID 20220618023205.4056548-1-windhl@126.com (mailing list archive)
State Accepted
Commit 9d6d5303c39b8bc182475b22f45504106a07f086
Headers show
Series usb: renesas: Fix refcount leak bug | expand

Commit Message

Liang He June 18, 2022, 2:32 a.m. UTC
In usbhs_rza1_hardware_init(), of_find_node_by_name() will return
a node pointer with refcount incremented. We should use of_node_put()
when it is not used anymore.

Signed-off-by: Liang He <windhl@126.com>
---
 drivers/usb/renesas_usbhs/rza.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/drivers/usb/renesas_usbhs/rza.c b/drivers/usb/renesas_usbhs/rza.c
index 24de64edb674..2d77edefb4b3 100644
--- a/drivers/usb/renesas_usbhs/rza.c
+++ b/drivers/usb/renesas_usbhs/rza.c
@@ -23,6 +23,10 @@  static int usbhs_rza1_hardware_init(struct platform_device *pdev)
 	extal_clk = of_find_node_by_name(NULL, "extal");
 	of_property_read_u32(usb_x1_clk, "clock-frequency", &freq_usb);
 	of_property_read_u32(extal_clk, "clock-frequency", &freq_extal);
+
+	of_node_put(usb_x1_clk);
+	of_node_put(extal_clk);
+
 	if (freq_usb == 0) {
 		if (freq_extal == 12000000) {
 			/* Select 12MHz XTAL */