[gem] Fix bad test for list_for_each completion.

Since it's a circular list, the entry won't be NULL at termination.

diff --git a/linux-core/i915_gem.c b/linux-core/i915_gem.c
index e01823f..94e2e47 100644 (file)
--- a/linux-core/i915_gem.c
+++ b/linux-core/i915_gem.c
@@ -478,14 +478,19 @@ i915_gem_evict_something(struct drm_device *dev)
                                            struct drm_i915_gem_object,
                                            list);
        } else if (!list_empty(&dev_priv->mm.active_list)) {
+               int found = 0;
+
                /* If there's nothing unused and ready, grab the first
                 * unpinned object from the currently executing list.
                 */
                list_for_each_entry(obj_priv, &dev_priv->mm.active_list,
-                                   list)
-                       if (obj_priv->pin_count == 0)
+                                   list) {
+                       if (obj_priv->pin_count == 0) {
+                               found = 1;
                                break;
-               if (!obj_priv)
+                       }
+               }
+               if (!found)
                        return -ENOMEM;
        } else {
                return -ENOMEM;