From: Christian König <christian.koenig@xxxxxxx> Instead of open coding the conversion from u64 to pointers. Signed-off-by: Christian König <christian.koenig at amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 8 ++++---- drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 2 +- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c index 6fd5831..fd5d192 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c @@ -270,7 +270,7 @@ int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data, struct amdgpu_fpriv *fpriv = filp->driver_priv; union drm_amdgpu_bo_list *args = data; uint32_t handle = args->in.list_handle; - const void __user *uptr = (const void*)(uintptr_t)args->in.bo_info_ptr; + const void __user *uptr = u64_to_user_ptr(args->in.bo_info_ptr); struct drm_amdgpu_bo_list_entry *info; struct amdgpu_bo_list *list; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 44ec11d..cd5c08a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -89,7 +89,7 @@ static int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data) } /* get chunks */ - chunk_array_user = (uint64_t __user *)(uintptr_t)(cs->in.chunks); + chunk_array_user = u64_to_user_ptr(cs->in.chunks); if (copy_from_user(chunk_array, chunk_array_user, sizeof(uint64_t)*cs->in.num_chunks)) { ret = -EFAULT; @@ -109,7 +109,7 @@ static int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data) struct drm_amdgpu_cs_chunk user_chunk; uint32_t __user *cdata; - chunk_ptr = (void __user *)(uintptr_t)chunk_array[i]; + chunk_ptr = u64_to_user_ptr(chunk_array[i]); if (copy_from_user(&user_chunk, chunk_ptr, sizeof(struct drm_amdgpu_cs_chunk))) { ret = -EFAULT; @@ -120,7 +120,7 @@ static int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data) p->chunks[i].length_dw = user_chunk.length_dw; size = p->chunks[i].length_dw; - cdata = (void __user *)(uintptr_t)user_chunk.chunk_data; + cdata = u64_to_user_ptr(user_chunk.chunk_data); p->chunks[i].kdata = drm_malloc_ab(size, sizeof(uint32_t)); if (p->chunks[i].kdata == NULL) { @@ -1352,7 +1352,7 @@ int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data, if (fences == NULL) return -ENOMEM; - fences_user = (void __user *)(uintptr_t)(wait->in.fences); + fences_user = u64_to_user_ptr(wait->in.fences); if (copy_from_user(fences, fences_user, sizeof(struct drm_amdgpu_fence) * fence_count)) { r = -EFAULT; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 917ac5e..88085e7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -689,7 +689,7 @@ int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data, switch (args->op) { case AMDGPU_GEM_OP_GET_GEM_CREATE_INFO: { struct drm_amdgpu_gem_create_in info; - void __user *out = (void __user *)(uintptr_t)args->value; + void __user *out = u64_to_user_ptr(args->value); info.bo_size = robj->gem_base.size; info.alignment = robj->tbo.mem.page_alignment << PAGE_SHIFT; -- 2.7.4