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drm/amdgpu: Validate VM ioctl flags.

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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
This commit is contained in:
Bas Nieuwenhuizen
2023-05-13 14:51:00 +02:00
committed by Alex Deucher
parent e5edd9ab0e
commit a2b308044d
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@@ -2370,6 +2370,10 @@ int amdgpu_vm_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
struct amdgpu_fpriv *fpriv = filp->driver_priv;
int r;
/* No valid flags defined yet */
if (args->in.flags)
return -EINVAL;
switch (args->in.op) {
case AMDGPU_VM_OP_RESERVE_VMID:
/* We only have requirement to reserve vmid from gfxhub */