[rhel6-branch] Convert a None from libiscsi.discover() to an empty list.

[Ales Kozumplik <akozumpl@xxxxxxxxxx>]

Resolves: rhbz#732380
---
 storage/iscsi.py |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/storage/iscsi.py b/storage/iscsi.py
index 625e029..c75b977 100644
--- a/storage/iscsi.py
+++ b/storage/iscsi.py
@@ -244,6 +244,8 @@ class iscsi(object):
         found_nodes = libiscsi.discover_sendtargets(address=ipaddr,
                                                     port=int(port),
                                                     authinfo=authinfo)
+        if found_nodes is None:
+            return []
         # only return the nodes we are not logged into yet
         return [n for n in found_nodes if n not in self.nodes]
 
-- 
1.7.6

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