diff options
Diffstat (limited to 'common/dlmalloc.c')
| -rw-r--r-- | common/dlmalloc.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/common/dlmalloc.c b/common/dlmalloc.c index 48e83da6cbc..8e201ac0dc5 100644 --- a/common/dlmalloc.c +++ b/common/dlmalloc.c @@ -581,6 +581,9 @@ void *sbrk(ptrdiff_t increment) ulong old = mem_malloc_brk; ulong new = old + increment; + if ((new < mem_malloc_start) || (new > mem_malloc_end)) + return (void *)MORECORE_FAILURE; + /* * if we are giving memory back make sure we clear it out since * we set MORECORE_CLEARS to 1 @@ -588,9 +591,6 @@ void *sbrk(ptrdiff_t increment) if (increment < 0) memset((void *)new, 0, -increment); - if ((new < mem_malloc_start) || (new > mem_malloc_end)) - return (void *)MORECORE_FAILURE; - mem_malloc_brk = new; return (void *)old; |