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-rw-r--r--apt-pkg/contrib/cdromutl.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/apt-pkg/contrib/cdromutl.cc b/apt-pkg/contrib/cdromutl.cc
index 187f6bd59..afa01a562 100644
--- a/apt-pkg/contrib/cdromutl.cc
+++ b/apt-pkg/contrib/cdromutl.cc
@@ -122,8 +122,9 @@ bool MountCdrom(string Path, string DeviceName)
if (Child == 0)
{
// Make all the fds /dev/null
+ int null_fd = open("/dev/null",O_RDWR);
for (int I = 0; I != 3; I++)
- dup2(open("/dev/null",O_RDWR),I);
+ dup2(null_fd, I);
if (_config->Exists("Acquire::cdrom::"+Path+"::Mount") == true)
{