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| author |   Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2023-10-02 16:51:03 +0300 |
|---|---|---|
| committer |   Ulf Hansson <ulf.hansson@linaro.org> | 2023-10-10 15:46:14 +0200 |
| commit | a30c6251859cf93700c2294b65706046bac29e55 (patch) | |
| tree | 847d4b21fa09a2e2d58164d028c0fdc451e4ba42 | |
| parent | mmc: debugfs: Allow host caps to be modified (diff) | |
| download | wireguard-linux-a30c6251859cf93700c2294b65706046bac29e55.tar.xz wireguard-linux-a30c6251859cf93700c2294b65706046bac29e55.zip | |
mmc: sdhci-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>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20231002135103.2602847-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
| -rw-r--r-- | drivers/mmc/host/sdhci-pci-core.c | 5 |
1 files 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; } |