From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Wed, 26 Jul 2017 17:02:52 +0200
Subject: drm/amdgpu: consistent use u64_to_user_ptr
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Git-commit: 7ecc245a8ce32ffcaa6a3e5795e0b14db8e076fc
Patch-mainline: v4.14-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
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>
Acked-by: Petr Tesarik <ptesarik@suse.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(-)
--- 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_devi
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;
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -90,7 +90,7 @@ static int amdgpu_cs_parser_init(struct
}
/* 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
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
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 d
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;
--- 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_devic
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;