[Xen-bugs] XCP small issue in ISCSISR

[Tomoiaga Cristian <cristi@xxxxxxxxxxx>]

Hello Everyone,

There is a small issue in ISCSISR.py from XCP 0.5.
In _attach_LUN_bylunid (sorry I don't have the correct line numbers since I 
modified this file a lot):

if not self.devs.has_key(realpath):
                host = self.adapter[val]
else:
                # Verify that we are not seeing a stale LUN map
                try:
                    real_SCSIid = scsiutil.getSCSIid(realpath)
                    cur_scsibuspath = 
glob.glob('/dev/disk/by-scsibus/*-%s:0:0:%s' % (host,lunid))
                    cur_SCSIid = 
os.path.basename(cur_scsibuspath[0]).split("-")[0]
                    assert(cur_SCSIid == real_SCSIid)
                except:
                    scsiutil.rescan([host])

The "host" variable is defined above, but not before the if condition and can't 
be used further on the "else" branch since it's not defined.
I reached this exception during my tests (no lunid present in sm_config).

Best regards,
Tomoiaga Cristian

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