Other DRM drivers use it too.
Signed-off-by: Gurchetan Singh <[email protected]>
---
drivers/gpu/drm/virtio/virtgpu_ioctl.c | 12 +++++-------
1 file 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;
--
2.17.1
_______________________________________________
dri-devel mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/dri-devel
