3.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Alex Deucher <alexander.deuc...@amd.com>
commit 7c3906d04a4587dceaa78cc1ae6b14e6454ee02a upstream.
Allows us to verify the table size.
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/gpu/drm/radeon/radeon_bios.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
--- a/drivers/gpu/drm/radeon/radeon_bios.c
+++ b/drivers/gpu/drm/radeon/radeon_bios.c
@@ -554,13 +554,12 @@ static bool radeon_acpi_vfct_bios(struct
{
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");
@@ -597,7 +596,6 @@ static bool radeon_acpi_vfct_bios(struct
ret = !!rdev->bios;
out_unmap:
- /* uh, no idea what to do here... */
return ret;
}
#else
--
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