From: Jason Dillaman <dillaman@redhat.com>
Date: Wed, 17 Jan 2018 18:44:24 +0000 (-0500)
Subject: test/librbd: treat empty features environment variable as old format
X-Git-Tag: v13.0.2~426^2~14
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=ac56e7bbd900c681bd451b6294cd93835af7e005;p=ceph.git

test/librbd: treat empty features environment variable as old format

Signed-off-by: Jason Dillaman <dillaman@redhat.com>
---

diff --git a/src/test/librbd/test_librbd.cc b/src/test/librbd/test_librbd.cc
index 7d019b4333f..f9dd645a942 100644
--- a/src/test/librbd/test_librbd.cc
+++ b/src/test/librbd/test_librbd.cc
@@ -70,7 +70,7 @@ void register_test_librbd() {
 static int get_features(bool *old_format, uint64_t *features)
 {
   const char *c = getenv("RBD_FEATURES");
-  if (c) {
+  if (c && strlen(c) > 0) {
     stringstream ss;
     ss << c;
     ss >> *features;