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@xxxxxxxxxxxxxxx>
---
drivers/mmc/host/sdhci-pci-core.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c
index 7c14feb5db77..025b31aa712c 100644
--- a/drivers/mmc/host/sdhci-pci-core.c
+++ b/drivers/mmc/host/sdhci-pci-core.c
@@ -483,11 +483,12 @@ 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;
}
--
2.40.0.1.gaa8946217a0b
