drm/radeon: convert radeon vfct code to use acpi_get_table_with_size
Allows us to verify the table size.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c
index a32232f..ab0b2f7 100644
--- a/drivers/gpu/drm/radeon/radeon_bios.c
+++ b/drivers/gpu/drm/radeon/radeon_bios.c
@@ -482,13 +482,12 @@
{
bool ret = false;
struct acpi_table_header *hdr;
- /* acpi_get_table_with_size is not exported :( */
- acpi_size tbl_size = 0x7fffffff;
+ acpi_size tbl_size;
UEFI_ACPI_VFCT *vfct;
GOP_VBIOS_CONTENT *vbios;
VFCT_IMAGE_HEADER *vhdr;
- if (!ACPI_SUCCESS(acpi_get_table("VFCT", 1, &hdr)))
+ if (!ACPI_SUCCESS(acpi_get_table_with_size("VFCT", 1, &hdr, &tbl_size)))
return false;
if (tbl_size < sizeof(UEFI_ACPI_VFCT)) {
DRM_ERROR("ACPI VFCT table present but broken (too short #1)\n");
@@ -525,7 +524,6 @@
ret = !!rdev->bios;
out_unmap:
- /* uh, no idea what to do here... */
return ret;
}
#else