diff options
Diffstat (limited to 'src/libutil/util.cc')
| -rw-r--r-- | src/libutil/util.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libutil/util.cc b/src/libutil/util.cc index c605a33e6..a703c5650 100644 --- a/src/libutil/util.cc +++ b/src/libutil/util.cc @@ -1983,7 +1983,7 @@ void commonChildInit(int stderrFd) throw SysError("creating a new session"); /* Dup the write side of the logger pipe into stderr. */ - if (dup2(stderrFd, STDERR_FILENO) == -1) + if (stderrFd != -1 && dup2(stderrFd, STDERR_FILENO) == -1) throw SysError("cannot pipe standard error into log file"); /* Dup stderr to stdout. */ |