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Commit cfa8f707 authored by Liang He's avatar Liang He Committed by Greg Kroah-Hartman
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usb: renesas: Fix refcount leak bug 



[ Upstream commit 9d6d5303c39b8bc182475b22f45504106a07f086 ]

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: default avatarLiang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220618023205.4056548-1-windhl@126.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 0334d23c

drivers/usb/renesas_usbhs/rza.c

+4 −0
Original line number Diff line number Diff line
@@ -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 */