If we remember that node_list is a circular list containing the fake
head_node, we can use a simple list_next_entry() and skip the NULL check
for the allocated check against the head_node.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/i915_gem_gtt.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c
b/drivers/gpu/drm/i915/i915_gem_gtt.c
index ef00d36680c9..b5d4a6357d8a 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -2723,10 +2723,8 @@ static void i915_gtt_color_adjust(struct drm_mm_node
*node,
if (node->color != color)
*start += 4096;
- node = list_first_entry_or_null(&node->node_list,
- struct drm_mm_node,
- node_list);
- if (node && node->allocated && node->color != color)
+ node = list_next_entry(node, node_list);
+ if (node->allocated && node->color != color)
*end -= 4096;
}
--
2.11.0
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