From 8b0920df53229981434be5bcf477b79921b84a68 Mon Sep 17 00:00:00 2001
From: Thomas Schmitt <scdbackup@gmx.net>
Date: Fri, 27 Mar 2009 21:25:44 +0100
Subject: [PATCH] Fixed a bug which prevented final waiting and caused lots of
 zombies

---
 libisofs/filters/external.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libisofs/filters/external.c b/libisofs/filters/external.c
index 92fd3a8..c1ce501 100644
--- a/libisofs/filters/external.c
+++ b/libisofs/filters/external.c
@@ -286,7 +286,7 @@ int extf_stream_close(IsoStream *stream)
             close(data->running->send_fd);
 
         ret = waitpid(data->running->pid, &status, WNOHANG);
-        if (ret == -1 && data->running->pid != 0) {
+        if (ret == 0 && data->running->pid != 0) {
             kill(data->running->pid, SIGKILL);
             waitpid(data->running->pid, &status, 0);
         }