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Commit 794bfb6f authored by Bas Nieuwenhuizen's avatar Bas Nieuwenhuizen Committed by Greg Kroah-Hartman
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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: default avatarBas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 2a4cfd5b

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

+4 −0
Original line number Diff line number Diff line
@@ -3076,6 +3076,10 @@ 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:

		/* current, we only have requirement to reserve vmid from gfxhub */