drm/amdgpu: Validate VM ioctl flags.
None have been defined yet, so reject anybody setting any. Mesa sets it to 0 anyway. Signed-off-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
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@ -2370,6 +2370,10 @@ int amdgpu_vm_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
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struct amdgpu_fpriv *fpriv = filp->driver_priv;
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int r;
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/* No valid flags defined yet */
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if (args->in.flags)
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return -EINVAL;
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switch (args->in.op) {
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case AMDGPU_VM_OP_RESERVE_VMID:
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/* We only have requirement to reserve vmid from gfxhub */
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