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Diffstat (limited to 'winsup/cygwin/mmap.cc')
| -rw-r--r-- | winsup/cygwin/mmap.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/winsup/cygwin/mmap.cc b/winsup/cygwin/mmap.cc index ab36a5234..884941ae4 100644 --- a/winsup/cygwin/mmap.cc +++ b/winsup/cygwin/mmap.cc @@ -109,6 +109,8 @@ mmap_record::find_empty (DWORD pages) DWORD mapped_pages = PAGE_CNT (size_to_map_); DWORD start; + if (pages > mapped_pages) + return (DWORD)-1; for (start = 0; start <= mapped_pages - pages; ++start) if (!MAP_ISSET (start)) { |