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drm/vmwgfx: return -EFAULT for copy_to_user errors
[safe/jmp/linux-2.6]
/
drivers
/
gpu
/
drm
/
vmwgfx
/
vmwgfx_execbuf.c
diff --git
a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index
bdd67cf
..
8e39685
100644
(file)
--- 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;
}