[PATCH v2 1/1] qemu-nbd: Close inherited stderr

[Raphael Pour <raphael.pour@hetzner.com>]

Close inherited stderr of the parent if fork_process is false.
Otherwise no one will close it. (introduced by e6df58a5)
---
 qemu-nbd.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/qemu-nbd.c b/qemu-nbd.c
index 4aa005004e..a324d21c5e 100644
--- a/qemu-nbd.c
+++ b/qemu-nbd.c
@@ -916,7 +916,13 @@ int main(int argc, char **argv)
         } else if (pid == 0) {
             close(stderr_fd[0]);
 
-            old_stderr = dup(STDERR_FILENO);
+            /* Remember parents stderr only if the fork option is set.
+             * The child won't close this inherited fd otherwise.
+             */
+            if (fork_process) {
+              old_stderr = dup(STDERR_FILENO);
+            }
+
             ret = qemu_daemon(1, 0);
 
             /* Temporarily redirect stderr to the parent's pipe...  */
-- 
2.25.4