diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2023-10-02 16:51:25 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2023-10-10 04:47:25 +0300 |
| commit | fcf3fb7bd50c08e1bef8de0d36e62e53b58ceb8a (patch) | |
| tree | d84cd1c01dbf3885be4651695202bf71b860c505 /drivers/ufs | |
| parent | e66413faa5b55800ad42a570aad674aed634c5e6 (diff) | |
| download | linux-fcf3fb7bd50c08e1bef8de0d36e62e53b58ceb8a.tar.xz | |
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>
Diffstat (limited to 'drivers/ufs')
| -rw-r--r-- | drivers/ufs/host/ufshcd-pci.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/ufs/host/ufshcd-pci.c b/drivers/ufs/host/ufshcd-pci.c index 248a49e5e7f3..0aca666d2199 100644 --- a/drivers/ufs/host/ufshcd-pci.c +++ b/drivers/ufs/host/ufshcd-pci.c @@ -58,11 +58,12 @@ static int __intel_dsm(struct intel_host *intel_host, struct device *dev, int err = 0; size_t len; - obj = acpi_evaluate_dsm(ACPI_HANDLE(dev), &intel_dsm_guid, 0, fn, NULL); + obj = acpi_evaluate_dsm_typed(ACPI_HANDLE(dev), &intel_dsm_guid, 0, fn, NULL, + ACPI_TYPE_BUFFER); if (!obj) return -EOPNOTSUPP; - if (obj->type != ACPI_TYPE_BUFFER || obj->buffer.length < 1) { + if (obj->buffer.length < 1) { err = -EINVAL; goto out; } |