From 7ecc245a8ce32ffcaa6a3e5795e0b14db8e076fc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= 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 Instead of open coding the conversion from u64 to pointers. Signed-off-by: Christian König Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index 33789510e663..381b4f99648d 100644 --- 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 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; -- cgit v1.2.3