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([2405:201:e066:f03e:b47a:832e:ca46:7937]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2adfb5db596sm81457605ad.35.2026.02.27.23.49.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Feb 2026 23:49:34 -0800 (PST) From: mr.navi8680@gmail.com To: netdev@vger.kernel.org, linux-kselftest@vger.kernel.org Cc: jhs@mojatatu.com, jiri@resnulli.us, shuah@kernel.org, linux-kernel@vger.kernel.org, Naveen Anandhan Subject: [PATCH] selftests: tc-testing: fix list_categories() crash on list type Date: Sat, 28 Feb 2026 13:17:35 +0530 Message-ID: <20260228074735.10438-1-mr.navi8680@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Naveen Anandhan list_categories() builds a set directly from the 'category' field of each test case. Since 'category' is a list, set(map(...)) attempts to insert lists into a set, which raises: TypeError: unhashable type: 'list' Flatten category lists and collect unique category names using set.update() instead. Signed-off-by: Naveen Anandhan --- tools/testing/selftests/tc-testing/tdc_helper.py | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/tc-testing/tdc_helper.py b/tools/testing/selftests/tc-testing/tdc_helper.py index e06f03c0fb5d..adb52fe3acc1 100644 --- a/tools/testing/selftests/tc-testing/tdc_helper.py +++ b/tools/testing/selftests/tc-testing/tdc_helper.py @@ -38,10 +38,14 @@ def list_test_cases(testlist): def list_categories(testlist): - """ Show all categories that are present in a test case file. """ - categories = set(map(lambda x: x['category'], testlist)) + """Show all unique categories present in the test cases.""" + categories = set() + for t in testlist: + if 'category' in t: + categories.update(t['category']) + print("Available categories:") - print(", ".join(str(s) for s in categories)) + print(", ".join(sorted(categories))) print("") -- 2.43.0