Merge tag 'linux-kselftest-4.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel...

[sfrench/cifs-2.6.git] / drivers / gpu / drm / vmwgfx / vmwgfx_kms.c

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 8725b79e7847d68239a25413c482883e44024704..07cda8cbbddbcb5e6f56127c57dac0e683541fb9 100644 (file)
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -2033,23 +2033,17 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
        int i;
        struct drm_mode_config *mode_config = &dev->mode_config;
 
-       ret = ttm_read_lock(&dev_priv->reservation_sem, true);
-       if (unlikely(ret != 0))
-               return ret;
-
        if (!arg->num_outputs) {
                struct drm_vmw_rect def_rect = {0, 0, 800, 600};
                vmw_du_update_layout(dev_priv, 1, &def_rect);
-               goto out_unlock;
+               return 0;
        }
 
        rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
        rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
                        GFP_KERNEL);
-       if (unlikely(!rects)) {
-               ret = -ENOMEM;
-               goto out_unlock;
-       }
+       if (unlikely(!rects))
+               return -ENOMEM;
 
        user_rects = (void __user *)(unsigned long)arg->rects;
        ret = copy_from_user(rects, user_rects, rects_size);
@@ -2074,7 +2068,5 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
 
 out_free:
        kfree(rects);
-out_unlock:
-       ttm_read_unlock(&dev_priv->reservation_sem);
        return ret;
 }