From patchwork Wed Jul 20 18:57:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Ma=C3=ADra_Canal?= X-Patchwork-Id: 12924409 X-Patchwork-Delegate: brendanhiggins@google.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 44C5BC43334 for ; Wed, 20 Jul 2022 18:58:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229634AbiGTS5h (ORCPT ); Wed, 20 Jul 2022 14:57:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42374 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231221AbiGTS52 (ORCPT ); Wed, 20 Jul 2022 14:57:28 -0400 Received: from mx1.riseup.net (mx1.riseup.net [198.252.153.129]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 101501580C; Wed, 20 Jul 2022 11:57:28 -0700 (PDT) Received: from fews1.riseup.net (fews1-pn.riseup.net [10.0.1.83]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "mail.riseup.net", Issuer "R3" (not verified)) by mx1.riseup.net (Postfix) with ESMTPS id 4Lp4h74H6DzDq8H; Wed, 20 Jul 2022 18:57:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=riseup.net; s=squak; t=1658343447; bh=eRDpkZkxg/n4UPAafm6sWbDOFUUMDUCphAk8sp3lHBk=; h=From:To:Cc:Subject:Date:From; b=MtGvQIvbFtMMIE+z762ncMb7KFAZa7vd6sPMHdDJ2JjtHOgKH0gnNWjvNWU1/x/2n OC0kv68uVc9qxuArJVMdrNlVYX+tEeYXRxW7CVE7q/Qk+qGJI8+loxpZ71TgFdVyrP jaRiyP5nMDDx6hlsdY7lG7mh5fWcuuYmFajMr1dk= X-Riseup-User-ID: 304A2BF9BF8D1F82E7470114CDE7E7EF857B6042627B680F7BC554B59E4583D1 Received: from [127.0.0.1] (localhost [127.0.0.1]) by fews1.riseup.net (Postfix) with ESMTPSA id 4Lp4h42klNz5vgM; Wed, 20 Jul 2022 18:57:24 +0000 (UTC) From: =?utf-8?q?Ma=C3=ADra_Canal?= To: Brendan Higgins , Jonathan Corbet , davidgow@google.com Cc: linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, =?utf-8?q?Ma=C3=AD?= =?utf-8?q?ra_Canal?= Subject: [PATCH RESEND v2] Documentation: KUnit: Fix example with compilation error Date: Wed, 20 Jul 2022 15:57:19 -0300 Message-Id: <20220720185719.273630-1-mairacanal@riseup.net> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org The Parameterized Testing example contains a compilation error, as the signature for the description helper function is void(*)(const struct sha1_test_case *, char *), and the struct is non-const. This is warned by Clang: error: initialization of ‘void (*)(struct sha1_test_case *, char *)’ from incompatible pointer type ‘void (*)(const struct sha1_test_case *, char *)’ [-Werror=incompatible-pointer-types] 33 | KUNIT_ARRAY_PARAM(sha1, cases, case_to_desc); | ^~~~~~~~~~~~ ../include/kunit/test.h:1339:70: note: in definition of macro ‘KUNIT_ARRAY_PARAM’ 1339 | void (*__get_desc)(typeof(__next), char *) = get_desc; \ Signed-off-by: Maíra Canal Reviewed-by: Daniel Latypov Reviewed-by: Brendan Higgins --- v1 -> v2: https://lore.kernel.org/linux-kselftest/CABVgOSkFKJBNt-AsWmOh2Oni4QO2xdiXJiYD1EVcS-Qz=BjJRw@mail.gmail.com/T/#mf546fc75bf9e5bd27cb3bbd531b51409fbc87a9d - Instead of changing the function signature to non-const, makes the cases const (David Gow). --- Documentation/dev-tools/kunit/usage.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/dev-tools/kunit/usage.rst b/Documentation/dev-tools/kunit/usage.rst index d62a04255c2e..44158eecb51e 100644 --- a/Documentation/dev-tools/kunit/usage.rst +++ b/Documentation/dev-tools/kunit/usage.rst @@ -505,7 +505,7 @@ By reusing the same ``cases`` array from above, we can write the test as a const char *str; const char *sha1; }; - struct sha1_test_case cases[] = { + const struct sha1_test_case cases[] = { { .str = "hello world", .sha1 = "2aae6c35c94fcfb415dbe95f408b9ce91ee846ed",