diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2012-08-20 11:06:21 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2012-08-20 11:13:05 -0400 |
| commit | 7c3906d04a4587dceaa78cc1ae6b14e6454ee02a (patch) | |
| tree | afb0b0af2918f56e2e2588670b3535009bd040df | |
| parent | 4f81f986761a7663db7d24d24cd6ae68008f1fc2 (diff) | |
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
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_bios.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c index a32232fc7bd3..ab0b2f7292ae 100644 --- a/drivers/gpu/drm/radeon/radeon_bios.c +++ b/drivers/gpu/drm/radeon/radeon_bios.c @@ -482,13 +482,12 @@ static bool radeon_acpi_vfct_bios(struct radeon_device *rdev) { 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 @@ static bool radeon_acpi_vfct_bios(struct radeon_device *rdev) ret = !!rdev->bios; out_unmap: - /* uh, no idea what to do here... */ return ret; } #else |