5.4-stable review patch. If anyone has any objections, please let me know.
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From: Zijun Hu quic_zijuhu@quicinc.com
commit 3a8839bbb86da7968a792123ed2296d063871a52 upstream.
Device attribute group @usb3_hardware_lpm_attr_group is merged by add_power_attributes(), but it is not unmerged explicitly, fixed by unmerging it in remove_power_attributes().
Fixes: 655fe4effe0f ("usbcore: add sysfs support to xHCI usb3 hardware LPM") Cc: stable@vger.kernel.org Signed-off-by: Zijun Hu quic_zijuhu@quicinc.com Link: https://lore.kernel.org/r/20240820-sysfs_fix-v2-1-a9441487077e@quicinc.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/usb/core/sysfs.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -690,6 +690,7 @@ static int add_power_attributes(struct d
static void remove_power_attributes(struct device *dev) { + sysfs_unmerge_group(&dev->kobj, &usb3_hardware_lpm_attr_group); sysfs_unmerge_group(&dev->kobj, &usb2_hardware_lpm_attr_group); sysfs_unmerge_group(&dev->kobj, &power_attr_group); }