diff options
| author | Gurchetan Singh <gurchetansingh@chromium.org> | 2019-06-04 16:44:28 -0700 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2019-06-05 10:44:26 +0200 |
| commit | 4b013bb2d3a4a3104360746d2326d1408d179e72 (patch) | |
| tree | 499952fb9381c2a5c4c39354bf6a959c6b37db7d /drivers | |
| parent | a5b8687869247c70ae114415d440798b01d8b952 (diff) | |
drm/virtio: use u64_to_user_ptr macro
Other DRM drivers use it too.
Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20190604234428.23252-1-gurchetansingh@chromium.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_ioctl.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c index b7f9dfe61d1c..8a17ef97aada 100644 --- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c +++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c @@ -168,7 +168,7 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data, goto out_unused_fd; } - user_bo_handles = (void __user *)(uintptr_t)exbuf->bo_handles; + user_bo_handles = u64_to_user_ptr(exbuf->bo_handles); if (copy_from_user(bo_handles, user_bo_handles, exbuf->num_bo_handles * sizeof(uint32_t))) { ret = -EFAULT; @@ -195,8 +195,7 @@ static int virtio_gpu_execbuffer_ioctl(struct drm_device *dev, void *data, if (ret) goto out_free; - buf = memdup_user((void __user *)(uintptr_t)exbuf->command, - exbuf->size); + buf = memdup_user(u64_to_user_ptr(exbuf->command), exbuf->size); if (IS_ERR(buf)) { ret = PTR_ERR(buf); goto out_unresv; @@ -263,10 +262,9 @@ static int virtio_gpu_getparam_ioctl(struct drm_device *dev, void *data, default: return -EINVAL; } - if (copy_to_user((void __user *)(unsigned long)param->value, - &value, sizeof(int))) { + if (copy_to_user(u64_to_user_ptr(param->value), &value, sizeof(int))) return -EFAULT; - } + return 0; } @@ -545,7 +543,7 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev, ptr = cache_ent->caps_cache; copy_exit: - if (copy_to_user((void __user *)(unsigned long)args->addr, ptr, size)) + if (copy_to_user(u64_to_user_ptr(args->addr), ptr, size)) return -EFAULT; return 0; |