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Thu, 1 Oct 2026 08:42:44 -0400 (EDT) From: Alice Mikityanska To: netdev@vger.kernel.org, linux-kselftest@vger.kernel.org Cc: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Shuah Khan , Alice Mikityanska , Sashiko Subject: [PATCH net-next] selftests: net: Fix minor issues in cork_fragsize.py Date: Thu, 1 Oct 2026 15:42:01 +0300 Message-ID: <20261001124201.584805-1-alice.kernel@fastmail.im> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Alice Mikityanska return None is unreachable in check_kernel_config, because the try block always returns a True or False value, and the except block continues the loop. The return None was supposed to be outside the for loop, to make pylint happy by making all the flows of the function return a value explicitly. While at it, make the docstring of check_dmesg_clean clearer by explaining the return values. Reported-by: Sashiko Closes: https://netdev-ai.bots.linux.dev/sashiko/#/patchset/20260901195714.673548-1-alice.kernel%40fastmail.im Signed-off-by: Alice Mikityanska --- tools/testing/selftests/net/cork_fragsize.py | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/net/cork_fragsize.py b/tools/testing/selftests/net/cork_fragsize.py index 7afd643d07ec..ae6be804b7a2 100755 --- a/tools/testing/selftests/net/cork_fragsize.py +++ b/tools/testing/selftests/net/cork_fragsize.py @@ -54,7 +54,7 @@ def check_kernel_config(option: str) -> bool | None: return False except OSError: continue - return None + return None def assert_debug_kernel() -> None: @@ -71,7 +71,8 @@ def assert_debug_kernel() -> None: def check_dmesg_clean(func: str) -> bool: ''' - Check if the given function produced a WARN in dmesg. + Check if the given function produced a WARN in dmesg. Returns True if dmesg + is clean, i.e. doesn't contain traces of a WARNING in the given function. ''' with subprocess.Popen(['dmesg'], stdout=subprocess.PIPE) as dmesg: -- 2.55.0