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drm/amdgpu: remove cgs_acpi_method_argument member method_length

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It was redundant with data_length, and in fact set incorrectly in one case
leading to an out-of-bound read by memcpy in acpi_ut_copy_esimple_to_isimple,
reported by CONFIG_KASAN=y.

Signed-off-by: Nicolai Hähnle <Nicolai.Haehnle@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nicolai Hähnle
2016-06-14 12:10:07 +02:00
committed by Alex Deucher
parent 840dd4c605
commit 8db6f83bef
2 changed files with 2 additions and 6 deletions
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drivers/gpu/drm/amd/include/cgs_common.h
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@@ -189,7 +189,6 @@ typedef unsigned long cgs_handle_t;
struct cgs_acpi_method_argument {
uint32_t type;
uint32_t method_length;
uint32_t data_length;
union{
uint32_t value;