diff options
| author | Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> | 2023-05-13 14:51:00 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-07-05 18:29:23 +0100 |
| commit | afec7c531d6adde3bd86f9f52950ff2806f4eba2 (patch) | |
| tree | 981eb17c338de73a397c051f7687b2874a4e2bc5 | |
| parent | 5a904225c16d93c49500384455daf1481d6abf1e (diff) | |
drm/amdgpu: Validate VM ioctl flags.
commit a2b308044dcaca8d3e580959a4f867a1d5c37fac upstream.
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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index b9441ab457ea..587879f3ac2e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2371,6 +2371,10 @@ 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 */ |