This is a note to let you know that I've just added the patch titled platform/x86: asus-wmi: add missing pci_dev_put() in asus_wmi_set_xusb2pr() to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: platform-x86-asus-wmi-add-missing-pci_dev_put-in-asu.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit b57e778315bf4c41828641d76860da383eac3568 Author: Xiongfeng Wang <wangxiongfeng2@xxxxxxxxxx> Date: Fri Nov 11 18:07:52 2022 +0800 platform/x86: asus-wmi: add missing pci_dev_put() in asus_wmi_set_xusb2pr() [ Upstream commit d0cdd85046b15089df71a50548617ac1025300d0 ] pci_get_device() will increase the reference count for the returned pci_dev. We need to use pci_dev_put() to decrease the reference count before asus_wmi_set_xusb2pr() returns. Signed-off-by: Xiongfeng Wang <wangxiongfeng2@xxxxxxxxxx> Link: https://lore.kernel.org/r/20221111100752.134311-1-wangxiongfeng2@xxxxxxxxxx Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index af26ca49996d..ca17ab9873e2 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -1107,6 +1107,8 @@ static void asus_wmi_set_xusb2pr(struct asus_wmi *asus) pci_write_config_dword(xhci_pdev, USB_INTEL_XUSB2PR, cpu_to_le32(ports_available)); + pci_dev_put(xhci_pdev); + pr_info("set USB_INTEL_XUSB2PR old: 0x%04x, new: 0x%04x\n", orig_ports_available, ports_available); }