next: drm/atomic: Use copy_from_user to copy 64 bit data from user space

[deliverable/linux.git] / drivers / gpu / drm / drm_atomic.c

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 1e38dfc8e462fde168de1d8316ff237a8e4f8568..af3f3dfdb49f2b0fe0811fa88d4f5daf6bf0d3d9 100644 (file)
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -1259,7 +1259,9 @@ retry:
                                goto fail;
                        }
 
-                       if (get_user(prop_value, prop_values_ptr + copied_props)) {
+                       if (copy_from_user(&prop_value,
+                                          prop_values_ptr + copied_props,
+                                          sizeof(prop_value))) {
                                ret = -EFAULT;
                                goto fail;
                        }