scsi: ufs: ufs-pci: 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 <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20231002135125.2602895-1-andriy.shevchenko@linux.intel.com Reviewed-by: Avri Altman <avri.altman@wdc.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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@ -58,11 +58,12 @@ static int __intel_dsm(struct intel_host *intel_host, struct device *dev,
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int err = 0;
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size_t len;
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obj = acpi_evaluate_dsm(ACPI_HANDLE(dev), &intel_dsm_guid, 0, fn, NULL);
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obj = acpi_evaluate_dsm_typed(ACPI_HANDLE(dev), &intel_dsm_guid, 0, fn, NULL,
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ACPI_TYPE_BUFFER);
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if (!obj)
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return -EOPNOTSUPP;
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if (obj->type != ACPI_TYPE_BUFFER || obj->buffer.length < 1) {
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if (obj->buffer.length < 1) {
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err = -EINVAL;
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goto out;
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}
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