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drm/amdgpu: consistent use u64_to_user_ptr 

Instead of open coding the conversion from u64 to pointers.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2017-07-26 17:02:52 +02:00 committed by Alex Deucher
parent f5e1c740af
commit 7ecc245a8c
3 changed files with 6 additions and 6 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
View File

@ -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;

8
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
View File

@ -90,7 +90,7 @@ 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;
@ -110,7 +110,7 @@ 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;
@ -121,7 +121,7 @@ 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 = kvmalloc_array(size, sizeof(uint32_t), GFP_KERNEL);
if (p->chunks[i].kdata == NULL) {
@ -1437,7 +1437,7 @@ 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;

2
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
View File

@ -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;