patacongo commented on code in PR #9151:
URL: https://github.com/apache/nuttx/pull/9151#discussion_r1182657939
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mm/umm_heap/umm_realloc.c:
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@@ -83,7 +77,7 @@ FAR void *realloc(FAR void *oldmem, size_t size)
mem = mm_realloc(USR_HEAP, oldmem, size);
if (!mem)
{
- brkaddr = sbrk(size);
+ brkaddr = sbrk(size < 1 ? 1 : size);
Review Comment:
The actual size needed is actually larger than one when size is zero: It is
the minimum chunk size.
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