Am 11.02.19 um 22:52 schrieb Alex Deucher via amd-gfx:
This prevents us from accessing extended registers in tools like umr. The register access functions already check if the offset is beyond the BAR size and use the indirect accessors with locking so this is safe. Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
--- drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index dd9a4fb9ce39..4ae3ff9a1d4c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -158,9 +158,6 @@ static int amdgpu_debugfs_process_reg_op(bool read, struct file *f, while (size) { uint32_t value;- if (*pos > adev->rmmio_size)- goto end; - if (read) { value = RREG32(*pos >> 2); r = put_user(value, (uint32_t *)buf);
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