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Merge "fix PTRDIFF_MAX check in the 32-bit mmap wrapper"

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am: af909869d8

* commit 'af909869d868585a47914ab51536192da50935cb':
  fix PTRDIFF_MAX check in the 32-bit mmap wrapper
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Josh Gao 2015-11-03 23:25:55 +00:00 committed by android-build-merger
commit a59479434c
1 changed files with 1 additions and 1 deletions
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libc/bionic/mmap.cpp
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@ -48,7 +48,7 @@ void* mmap64(void* addr, size_t size, int prot, int flags, int fd, off64_t offse
// prevent allocations large enough for `end - start` to overflow // prevent allocations large enough for `end - start` to overflow
size_t rounded = BIONIC_ALIGN(size, PAGE_SIZE); size_t rounded = BIONIC_ALIGN(size, PAGE_SIZE);
if (rounded < size || size > PTRDIFF_MAX) { if (rounded < size || rounded > PTRDIFF_MAX) {
errno = ENOMEM; errno = ENOMEM;
return MAP_FAILED; return MAP_FAILED;
} }