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