| From | Greg Kroah-Hartman <> | Subject | [ 158/218] drm/radeon: convert radeon vfct code to use acpi_get_table_with_size | Date | Fri, 28 Sep 2012 13:16:15 -0700 |
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3.4-stable review patch. If anyone has any objections, please let me know.
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From: Alex Deucher <alexander.deucher@amd.com>
commit 7c3906d04a4587dceaa78cc1ae6b14e6454ee02a upstream.
Allows us to verify the table size.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@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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