[PATCH v1 1/1] ACPI: NFIT: Import GUID before use

Andy Shevchenko
2021-04-15T13:58:58Z

Strictly speaking the comparison between guid_t and raw buffer
is not correct. Import GUID to variable of guid_t type and then
compare.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/acpi/nfit/core.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index 958aaac869e8..6d8a1a93636a 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -678,10 +678,12 @@ static const char *spa_type_name(u16 type)

int nfit_spa_type(struct acpi_nfit_system_address *spa)
{
+ guid_t guid;
int i;

+ import_guid(&guid, spa->range_guid);
for (i = 0; i < NFIT_UUID_MAX; i++)
- if (guid_equal(to_nfit_uuid(i), (guid_t *)&spa->range_guid))
+ if (guid_equal(to_nfit_uuid(i), &guid))
return i;
return -1;
}
--
2.30.2