libnvdimm: Replace guid_copy() with import_guid() where it makes sense

There is a specific API to treat raw data as GUID, i.e. import_guid().
Use it instead of guid_copy() with explicit casting.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Link: https://lore.kernel.org/r/20200422130539.45636-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index fa4500f..7c138a4 100644 (file)
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -2293,7 +2293,7 @@ static int acpi_nfit_init_interleave_set(struct acpi_nfit_desc *acpi_desc,
        nd_set = devm_kzalloc(dev, sizeof(*nd_set), GFP_KERNEL);
        if (!nd_set)
                return -ENOMEM;
-       guid_copy(&nd_set->type_guid, (guid_t *) spa->range_guid);
+       import_guid(&nd_set->type_guid, spa->range_guid);
 
        info = devm_kzalloc(dev, sizeof_nfit_set_info(nr), GFP_KERNEL);
        if (!info)