From e13a7333067e47d01f8bfcc36e300e26ab4f8bea Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Fri, 10 Mar 2023 18:41:29 +0200 Subject: usb: acpi: Switch to use acpi_evaluate_dsm_typed() The acpi_evaluate_dsm_typed() provides a way to check the type of the object evaluated by _DSM call. Use it instead of open coded variant. Signed-off-by: Andy Shevchenko Link: https://lore.kernel.org/r/20230310164129.21937-1-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/core/usb-acpi.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) (limited to 'drivers/usb/core') diff --git a/drivers/usb/core/usb-acpi.c b/drivers/usb/core/usb-acpi.c index 533baa85083c..a34b22537d7c 100644 --- a/drivers/usb/core/usb-acpi.c +++ b/drivers/usb/core/usb-acpi.c @@ -81,15 +81,11 @@ int usb_acpi_port_lpm_incapable(struct usb_device *hdev, int index) return -ENODEV; } - obj = acpi_evaluate_dsm(port_handle, &guid, 0, - USB_DSM_DISABLE_U1_U2_FOR_PORT, NULL); - - if (!obj) - return -ENODEV; - - if (obj->type != ACPI_TYPE_INTEGER) { + obj = acpi_evaluate_dsm_typed(port_handle, &guid, 0, + USB_DSM_DISABLE_U1_U2_FOR_PORT, NULL, + ACPI_TYPE_INTEGER); + if (!obj) { dev_dbg(&hdev->dev, "evaluate port-%d _DSM failed\n", port1); - ACPI_FREE(obj); return -EINVAL; } -- cgit v1.2.3