From: Faith Ekstrand <faith.ekstrand@collabora.com>
Date: Tue, 31 Jan 2023 02:12:00 +0000 (-0600)
Subject: util/vma: Allow initializing zero-size heaps
X-Git-Tag: upstream/23.3.3~4198
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f25d2396759a6461e4adebfc8e0ab0a808d99ecc;p=platform%2Fupstream%2Fmesa.git

util/vma: Allow initializing zero-size heaps

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24326>
---

diff --git a/src/util/vma.c b/src/util/vma.c
index 3775825..ca96486 100644
--- a/src/util/vma.c
+++ b/src/util/vma.c
@@ -49,7 +49,8 @@ util_vma_heap_init(struct util_vma_heap *heap,
 {
    list_inithead(&heap->holes);
    heap->free_size = 0;
-   util_vma_heap_free(heap, start, size);
+   if (size > 0)
+      util_vma_heap_free(heap, start, size);
 
    /* Default to using high addresses */
    heap->alloc_high = true;