Don't close file descriptors when we are duplicating them.

git-svn-id: svn://busybox.net/trunk/busybox@2793 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 2 insertions, 1 deletions

diff --git a/shell/hush.c b/shell/hush.c
index 372c95753..a58da189c 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -1018,7 +1018,8 @@ static int setup_redirects(struct child_prog *prog, int squirrel[])
                                 close(openfd);
                         } else {
                                 dup2(openfd, redir->fd);
-                                close(openfd);
+                                if (redir->dup == -1)
+                                        close (openfd);
                         }
                 }
         }