R0dn3yS/android_kernel_xiaomi_sm7250
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

usb: renesas: Fix refcount leak bug

Browse Source 
[ 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: 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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Liang He 2022-06-18 10:32:05 +08:00 committed by Greg Kroah-Hartman
parent ec583e300a
commit 36b18b777d
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/usb/renesas_usbhs/rza.c
View File

@ -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 */