[PATCH v2 06/12] drm/amdgpu/userq: Use memdup_array_user in amdgpu_userq_wait_ioctl

[Tvrtko Ursulin]

Use the existing helper instead of multiplying the size.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursu...@igalia.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c
index d779671bd0db..63d1b6364e96 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userq_fence.c
@@ -629,21 +629,21 @@ int amdgpu_userq_wait_ioctl(struct drm_device *dev, void 
*data,
                return -ENOTSUPP;
 
        num_syncobj = wait_info->num_syncobj_handles;
-       syncobj_handles = 
memdup_user(u64_to_user_ptr(wait_info->syncobj_handles),
-                                     size_mul(sizeof(u32), num_syncobj));
+       syncobj_handles = 
memdup_array_user(u64_to_user_ptr(wait_info->syncobj_handles),
+                                           num_syncobj, sizeof(u32));
        if (IS_ERR(syncobj_handles))
                return PTR_ERR(syncobj_handles);
 
        num_points = wait_info->num_syncobj_timeline_handles;
-       timeline_handles = 
memdup_user(u64_to_user_ptr(wait_info->syncobj_timeline_handles),
-                                      sizeof(u32) * num_points);
+       timeline_handles = 
memdup_array_user(u64_to_user_ptr(wait_info->syncobj_timeline_handles),
+                                            num_points, sizeof(u32));
        if (IS_ERR(timeline_handles)) {
                r = PTR_ERR(timeline_handles);
                goto free_syncobj_handles;
        }
 
-       timeline_points = 
memdup_user(u64_to_user_ptr(wait_info->syncobj_timeline_points),
-                                     sizeof(u32) * num_points);
+       timeline_points = 
memdup_array_user(u64_to_user_ptr(wait_info->syncobj_timeline_points),
+                                           num_points, sizeof(u32));
        if (IS_ERR(timeline_points)) {
                r = PTR_ERR(timeline_points);
                goto free_timeline_handles;
-- 
2.52.0