Fix resolving devices with names that look like BIOS drive number

Resolves: rhbz#1960798
This commit is contained in:
Vojtech Trefny 2021-06-30 08:16:46 +02:00
parent b688eafcbf
commit a366c6f46d
2 changed files with 81 additions and 1 deletions

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@ -0,0 +1,75 @@
From 344e624f91010b6041c22ee8a24c9305b82af969 Mon Sep 17 00:00:00 2001
From: Vojtech Trefny <vtrefny@redhat.com>
Date: Tue, 18 May 2021 12:54:02 +0200
Subject: [PATCH] Fix resolving devices with names that look like BIOS drive
number
A RAID array named "10" will not be resolved because we try to
resolve it using EDD data and after this lookup fails, we don't
try the name.
Resolves: rhbz#1960798
---
blivet/devicetree.py | 18 +++++++++---------
tests/devicetree_test.py | 4 ++++
2 files changed, 13 insertions(+), 9 deletions(-)
diff --git a/blivet/devicetree.py b/blivet/devicetree.py
index 88e9f0e5..f4ae1968 100644
--- a/blivet/devicetree.py
+++ b/blivet/devicetree.py
@@ -634,20 +634,20 @@ class DeviceTreeBase(object):
(label.startswith("'") and label.endswith("'"))):
label = label[1:-1]
device = self.labels.get(label)
- elif re.match(r'(0x)?[A-Fa-f0-9]{2}(p\d+)?$', devspec):
- # BIOS drive number
- (drive, _p, partnum) = devspec.partition("p")
- spec = int(drive, 16)
- for (edd_name, edd_number) in self.edd_dict.items():
- if edd_number == spec:
- device = self.get_device_by_name(edd_name + partnum)
- break
elif options and "nodev" in options.split(","):
device = self.get_device_by_name(devspec)
if not device:
device = self.get_device_by_path(devspec)
else:
- if not devspec.startswith("/dev/"):
+ if re.match(r'(0x)?[A-Fa-f0-9]{2}(p\d+)?$', devspec):
+ # BIOS drive number
+ (drive, _p, partnum) = devspec.partition("p")
+ spec = int(drive, 16)
+ for (edd_name, edd_number) in self.edd_dict.items():
+ if edd_number == spec:
+ device = self.get_device_by_name(edd_name + partnum)
+ break
+ if not device and not devspec.startswith("/dev/"):
device = self.get_device_by_name(devspec)
if not device:
devspec = "/dev/" + devspec
diff --git a/tests/devicetree_test.py b/tests/devicetree_test.py
index 11f8469d..b033343d 100644
--- a/tests/devicetree_test.py
+++ b/tests/devicetree_test.py
@@ -49,6 +49,9 @@ class DeviceTreeTestCase(unittest.TestCase):
dev3 = StorageDevice("sdp2", exists=True)
dt._add_device(dev3)
+ dev4 = StorageDevice("10", exists=True)
+ dt._add_device(dev4)
+
dt.edd_dict.update({"dev1": 0x81,
"dev2": 0x82})
@@ -62,6 +65,7 @@ class DeviceTreeTestCase(unittest.TestCase):
self.assertEqual(dt.resolve_device("0x82"), dev2)
self.assertEqual(dt.resolve_device(dev3.name), dev3)
+ self.assertEqual(dt.resolve_device(dev4.name), dev4)
def test_device_name(self):
# check that devicetree.names property contains all device's names
--
2.31.1

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@ -23,7 +23,7 @@ Version: 3.4.0
#%%global prerelease .b2
# prerelease, if defined, should be something like .a1, .b1, .b2.dev1, or .c2
Release: 2%{?prerelease}%{?dist}
Release: 3%{?prerelease}%{?dist}
Epoch: 1
License: LGPLv2+
%global realname blivet
@ -35,6 +35,8 @@ Source1: http://github.com/storaged-project/blivet/archive/%{realname}-%{realver
Patch0: 0001-remove-btrfs-plugin.patch
%endif
Patch1: 0002-Fix-resolving-devices-with-names-that-look-like-BIOS.patch
# Versions of required components (done so we make sure the buildrequires
# match the requires versions of things).
%global partedver 3.2
@ -196,6 +198,9 @@ configuration.
%endif
%changelog
* Wed Jun 30 2021 Vojtech Trefny <vtrefny@redhat.com> - 3.4.0-3
- Fix resolving devices with names that look like BIOS drive number (#1960798)
* Thu Jun 03 2021 Python Maint <python-maint@redhat.com> - 1:3.4.0-2
- Rebuilt for Python 3.10