On 6/26/19 2:43 AM, Chris Wilson wrote:
We gracefully handle the caller specifying a zero range, so don't force
them to special case that condition if it naturally falls out of their
setup. What we don't check is if the end < start, so keep that as an
assert for an illegal call.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
Daniele
drivers/gpu/drm/drm_mm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c
index 9a59865ce574..4581c5387372 100644
--- a/drivers/gpu/drm/drm_mm.c
+++ b/drivers/gpu/drm/drm_mm.c
@@ -472,7 +472,7 @@ int drm_mm_insert_node_in_range(struct drm_mm * const mm,
u64 remainder_mask;
bool once;
- DRM_MM_BUG_ON(range_start >= range_end);
+ DRM_MM_BUG_ON(range_start > range_end);
if (unlikely(size == 0 || range_end - range_start < size))
return -ENOSPC;
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