From: SeongJae Park <sj@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: SeongJae Park <sj@kernel.org>, Shuah Khan <shuah@kernel.org>,
damon@lists.linux.dev, linux-mm@kvack.org,
linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 02/10] selftests/damon/_damon_sysfs: check errors from nr_schemes file reads
Date: Fri, 3 May 2024 11:03:10 -0700 [thread overview]
Message-ID: <20240503180318.72798-3-sj@kernel.org> (raw)
In-Reply-To: <20240503180318.72798-1-sj@kernel.org>
DAMON context staging method in _damon_sysfs.py is not checking the
returned error from nr_schemes file read. Check it.
Fixes: f5f0e5a2bef9 ("selftests/damon/_damon_sysfs: implement kdamonds start function")
Signed-off-by: SeongJae Park <sj@kernel.org>
---
tools/testing/selftests/damon/_damon_sysfs.py | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/testing/selftests/damon/_damon_sysfs.py b/tools/testing/selftests/damon/_damon_sysfs.py
index f80fdcef507c..fffa74a78bd7 100644
--- a/tools/testing/selftests/damon/_damon_sysfs.py
+++ b/tools/testing/selftests/damon/_damon_sysfs.py
@@ -341,6 +341,8 @@ class DamonCtx:
nr_schemes_file = os.path.join(
self.sysfs_dir(), 'schemes', 'nr_schemes')
content, err = read_file(nr_schemes_file)
+ if err is not None:
+ return err
if int(content) != len(self.schemes):
err = write_file(nr_schemes_file, '%d' % len(self.schemes))
if err != None:
--
2.39.2
next prev parent reply other threads:[~2024-05-03 18:03 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-03 18:03 [PATCH 00/10] mm/damon: misc fixes and improvements SeongJae Park
2024-05-03 18:03 ` [PATCH 01/10] mm/damon/core: initialize ->esz_bp from damos_quota_init_priv() SeongJae Park
2024-05-03 18:03 ` SeongJae Park [this message]
2024-05-03 18:03 ` [PATCH 03/10] selftests/damon/_damon_sysfs: find sysfs mount point from /proc/mounts SeongJae Park
2024-05-03 18:03 ` [PATCH 05/10] selftests/damon: classify tests for functionalities and regressions SeongJae Park
2024-05-03 18:03 ` [PATCH 06/10] Docs/admin-guide/mm/damon/usage: fix wrong example of DAMOS filter matching sysfs file SeongJae Park
2024-05-03 18:03 ` [PATCH 07/10] Docs/admin-guide/mm/damon/usage: fix wrong schemes effective quota update command SeongJae Park
2024-05-03 18:03 ` [PATCH 08/10] Docs/mm/damon/design: use a list for supported filters SeongJae Park
2024-05-03 18:03 ` [PATCH 09/10] Docs/mm/damon/maintainer-profile: change the maintainer's timezone from PST to PT SeongJae Park
2024-05-03 18:03 ` [PATCH 10/10] Docs/mm/damon/maintainer-profile: allow posting patches based on damon/next tree SeongJae Park
2024-05-03 18:06 ` [PATCH 00/10] mm/damon: misc fixes and improvements SeongJae Park
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