From 3dba7bf3ac8ea48e6d8b5df6b7f28f1a96c9e6ab Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Sat, 17 Jan 2015 22:26:51 +0100
Subject: [PATCH] config: backup - handle correctly spawnv return code

---
 src/config.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/config.c b/src/config.c
index 4bb65fd4..890e212f 100644
--- a/src/config.c
+++ b/src/config.c
@@ -1211,10 +1211,12 @@ dobackup(const char *oldver)
                                      root, oldver);
   tvhinfo("config", "backup: running, output file %s", outfile);
 
-  spawnv(argv[0], (void *)argv, NULL, 1, 1);
-
-  while ((code = spawn_reap(errtxt, sizeof(errtxt))) == -EAGAIN)
-    usleep(20000);
+  if (spawnv(argv[0], (void *)argv, NULL, 1, 1)) {
+    code = -ENOENT;
+  } else {
+    while ((code = spawn_reap(errtxt, sizeof(errtxt))) == -EAGAIN)
+      usleep(20000);
+  }
 
   if (code) {
     htsbuf_queue_t q;