diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 1cc01fb409dc..b25e533fd6e8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -936,6 +936,13 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev, uint64_t eaddr; int r; + /* validate the parameters */ + if (saddr & AMDGPU_GPU_PAGE_MASK || offset & AMDGPU_GPU_PAGE_MASK || + size == 0 || size & AMDGPU_GPU_PAGE_MASK) { + amdgpu_bo_unreserve(bo_va->bo); + return -EINVAL; + } + /* make sure object fit at this offset */ eaddr = saddr + size; if ((saddr >= eaddr) || (offset + size > amdgpu_bo_size(bo_va->bo))) { |