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| author | Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> | 2023-05-13 15:51:00 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-07-27 09:43:31 +0300 |
| commit | 0336c8f072237e6a0fdacdde3de7f02abd1bc0b3 (patch) | |
| tree | a1794c66a8b1d25c675f2b2386457bba286358bd | |
| parent | c484b65f93e0fefadd4b0b3bdeff9a2873838819 (diff) | |
| download | linux-0336c8f072237e6a0fdacdde3de7f02abd1bc0b3.tar.xz | |
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 45b1f00c5968..c705ce11c436 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -3252,6 +3252,10 @@ int amdgpu_vm_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) long timeout = msecs_to_jiffies(2000); 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 */ |