diff options
Diffstat (limited to 'tools/testing/selftests/mm/mlock2.h')
| -rw-r--r-- | tools/testing/selftests/mm/mlock2.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/testing/selftests/mm/mlock2.h b/tools/testing/selftests/mm/mlock2.h index 4417eaa5cfb7..81e77fa41901 100644 --- a/tools/testing/selftests/mm/mlock2.h +++ b/tools/testing/selftests/mm/mlock2.h @@ -6,7 +6,13 @@ static int mlock2_(void *start, size_t len, int flags) { - return syscall(__NR_mlock2, start, len, flags); + int ret = syscall(__NR_mlock2, start, len, flags); + + if (ret) { + errno = ret; + return -1; + } + return 0; } static FILE *seek_to_smaps_entry(unsigned long addr) |