[rhel6-branch 1/2] 'part' command checks if media is present.

[Ales Kozumplik <akozumpl redhat com>]

Otherwise weird tracebacks occur later when an attempt is made to
partition the cdrom.

Resolves: rhbz#679073
---
 kickstart.py |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/kickstart.py b/kickstart.py
index 61d00d3..71de65b 100644
--- a/kickstart.py
+++ b/kickstart.py
@@ -811,6 +811,8 @@ class PartitionData(commands.partition.F12_PartData):
                     disk = mpath_device
                 if not disk:
                     raise KickstartValueError, formatErrorMsg(self.lineno, msg="Specified nonexistent disk %s in partition command" % n)
+                if not disk.mediaPresent:
+                    raise KickstartValueError, formatErrorMsg(self.lineno, msg="Specified device %s in partition command has no media." % n)
 
                 should_clear = shouldClear(disk,
                                            storage.clearPartType,
-- 
1.7.5.4