[PATCH] usb: host: Fix refcount leak in ehci_hcd_ppc_of_probe

From: Miaoqian Lin
Date: Thu Jun 02 2022 - 07:09:10 EST


of_find_compatible_node() returns a node pointer with refcount
incremented, we should use of_node_put() on it when done.
Add missing of_node_put() to avoid refcount leak.

Fixes: 796bcae7361c ("USB: powerpc: Workaround for the PPC440EPX USBH_23 errata [take 3]")
Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
---
drivers/usb/host/ehci-ppc-of.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/usb/host/ehci-ppc-of.c b/drivers/usb/host/ehci-ppc-of.c
index 6bbaee74f7e7..28a19693c19f 100644
--- a/drivers/usb/host/ehci-ppc-of.c
+++ b/drivers/usb/host/ehci-ppc-of.c
@@ -148,6 +148,7 @@ static int ehci_hcd_ppc_of_probe(struct platform_device *op)
} else {
ehci->has_amcc_usb23 = 1;
}
+ of_node_put(np);
}

if (of_get_property(dn, "big-endian", NULL)) {
--
2.25.1