xen/xend-pvscsi-recognize-also-SCSI-CDROM-devices.patch

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From: Olaf Hering <olaf@aepfle.de>
Date: Tue, 11 Feb 2014 15:21:01 +0100
Subject: xend/pvscsi: recognize also SCSI CDROM devices
Attaching a CDROM device with 'xm scsi-attach domU /dev/sr0 0:0:0:0'
fails because for some reason the sr driver was not handled at all in
the match list. With the change the above command succeeds and the
device is attached.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
---
tools/python/xen/util/vscsi_util.py | 3 +++
1 file changed, 3 insertions(+)
diff --git a/tools/python/xen/util/vscsi_util.py b/tools/python/xen/util/vscsi_util.py
--- a/tools/python/xen/util/vscsi_util.py
+++ b/tools/python/xen/util/vscsi_util.py
@@ -66,6 +66,9 @@ def _vscsi_get_hctl_by(phyname, scsi_devices):
if re.match('/dev/sd[a-z]+([1-9]|1[0-5])?$', phyname):
# sd driver
name = re.sub('(^/dev/)|([1-9]|1[0-5])?$', '', phyname)
+ elif re.match('/dev/sr[0-9]+$', phyname):
+ # sr driver
+ name = re.sub('^/dev/', '', phyname)
elif re.match('/dev/sg[0-9]+$', phyname):
# sg driver
name = re.sub('^/dev/', '', phyname)