diff options
| author | Liang He <windhl@126.com> | 2022-06-18 05:32:05 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-06-21 17:39:03 +0300 |
| commit | 9d6d5303c39b8bc182475b22f45504106a07f086 (patch) | |
| tree | c8b0b2a9d6d1621ec0b250127d8821f6c1f17a5e /drivers/usb/renesas_usbhs | |
| parent | 40a959d7042bb7711e404ad2318b30e9f92c6b9b (diff) | |
| download | linux-9d6d5303c39b8bc182475b22f45504106a07f086.tar.xz | |
usb: renesas: Fix refcount leak bug
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>
Link: https://lore.kernel.org/r/20220618023205.4056548-1-windhl@126.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/renesas_usbhs')
| -rw-r--r-- | drivers/usb/renesas_usbhs/rza.c | 4 |
1 files changed, 4 insertions, 0 deletions
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 */ |