diff options
| author | Ernst Sjöstrand <ernstp@gmail.com> | 2021-09-02 09:50:27 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-09-22 12:39:16 +0200 |
| commit | ab55e44ea8dc9d5101b37165cc9f7ec33698b780 (patch) | |
| tree | c3a4184c54d96544b89049a8f2c6521500bdf771 /drivers/gpu | |
| parent | deeb5db10001376ea623442641fb5245382a6029 (diff) | |
drm/amd/amdgpu: Increase HWIP_MAX_INSTANCE to 10
commit 67a44e659888569a133a8f858c8230e9d7aad1d5 upstream.
Seems like newer cards can have even more instances now.
Found by UBSAN: array-index-out-of-bounds in
drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:318:29
index 8 is out of range for type 'uint32_t *[8]'
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1697
Cc: stable@vger.kernel.org
Signed-off-by: Ernst Sjöstrand <ernstp@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 8ac6eb9f1fdb..177a663a6a69 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -757,7 +757,7 @@ enum amd_hw_ip_block_type { MAX_HWIP }; -#define HWIP_MAX_INSTANCE 8 +#define HWIP_MAX_INSTANCE 10 struct amd_powerplay { void *pp_handle; |