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-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c1
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_resource.c8
2 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index bdd67cf83315..8e396850513c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -644,6 +644,7 @@ int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
ret = copy_from_user(cmd, user_cmd, arg->command_size);
if (unlikely(ret != 0)) {
+ ret = -EFAULT;
DRM_ERROR("Failed copying commands.\n");
goto out_commit;
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index f8fbbc67a406..8612378b131e 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -597,8 +597,10 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
ret = copy_from_user(srf->sizes, user_sizes,
srf->num_sizes * sizeof(*srf->sizes));
- if (unlikely(ret != 0))
+ if (unlikely(ret != 0)) {
+ ret = -EFAULT;
goto out_err1;
+ }
if (srf->scanout &&
srf->num_sizes == 1 &&
@@ -697,9 +699,11 @@ int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
if (user_sizes)
ret = copy_to_user(user_sizes, srf->sizes,
srf->num_sizes * sizeof(*srf->sizes));
- if (unlikely(ret != 0))
+ if (unlikely(ret != 0)) {
DRM_ERROR("copy_to_user failed %p %u\n",
user_sizes, srf->num_sizes);
+ ret = -EFAULT;
+ }
out_bad_resource:
out_no_reference:
ttm_base_object_unref(&base);