From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-lj1-f172.google.com (mail-lj1-f172.google.com [209.85.208.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8CB922C80 for ; Fri, 5 Nov 2021 16:31:41 +0000 (UTC) Received: by mail-lj1-f172.google.com with SMTP id k24so15931111ljg.3 for ; Fri, 05 Nov 2021 09:31:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=QO84fTKdeSMmm9QNKq6SjNHfztt5W0wJHSODBJ8ZtRQ=; b=Zj3KicFxHklL6gL6RLRmq5P3kJ493cqHFhK/GOV0mcMbwhDhOiILWvYZcT+HR6uowo QgzqvPSrZ8eN1+WHeuLX4/EtKpQJiVf8DnMpN2abq3qiOGfYsFNguaB046j19cFxpH+X WGbJ1IFtYHQD+c2w0jCgpK3ytizPY9sBRBiARXZAlHBER+xBG8dMQwNQe2Q/wUGQtwE2 fzSk68NG0DXrWfnHcPypDoB4IP6LZyZwp5CdeFUP7Nw1Rittw/eM/qQUqHNSnqnR5SMt BT0Y1bJrDBJz3p4vfSzisCuZJlFsST2R5lhCY3jcYVhgRP2f++yIvMdPlsl3GDBN/No+ EWcw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=QO84fTKdeSMmm9QNKq6SjNHfztt5W0wJHSODBJ8ZtRQ=; b=wUlA0d6+DCZNDeZAbUe2KRE/ycA4qkzq/P+Bco39QjYzhZ36op0H3W9hnWHR0kh8Ud hRSWo8w9Zt0qJoWkdpcGfJx1WRIerE231EEi7YLKQgyFLVOumbYNNAqnXUFSU2Xd/9FG 6LVWzIqVrjTV8LzfY37jYDQMFWi4nPU7+G+I0YPXHbemi8nFxgRTUmV6F38QAVWbFm3X xtUBZ3q6bP74Kr2UnT3YtvahB7pPauvn/Sx4cq4KVy8pVyDleQPLz4zjDFtH6Req70wJ Or1ti3DpoTncdmJxdqkD7mUiyDNrSD/uFwOETxmqwK8dCeQ5RgTDoGk7EOOiGoIL8Eh3 QULw== X-Gm-Message-State: AOAM532LeraHAyauFMQik8Bs+g1slQSKuFZe9/hMQoyqhGopZRM0BVeN f3eIIizlaUcGBNJ9p+WraAZwEQ== X-Google-Smtp-Source: ABdhPJwRU0Hv8s5/OoopP3Oc9keJl5PGu73f4BB84MA4jNWit0XnQiLj/PheRa4C/FFO8OnGzrTzlA== X-Received: by 2002:a2e:4952:: with SMTP id b18mr52307516ljd.255.1636129899645; Fri, 05 Nov 2021 09:31:39 -0700 (PDT) Received: from localhost (c-9b28e555.07-21-73746f28.bbcust.telenor.se. [85.229.40.155]) by smtp.gmail.com with ESMTPSA id s6sm877010lfs.236.2021.11.05.09.31.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Nov 2021 09:31:39 -0700 (PDT) From: Anders Roxell To: shuah@kernel.org Cc: nathan@kernel.org, ndesaulniers@google.com, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, Anders Roxell Subject: [PATCH 1/2] selftests: timens: use 'llabs()' over 'abs()' Date: Fri, 5 Nov 2021 17:31:36 +0100 Message-Id: <20211105163137.3324344-1-anders.roxell@linaro.org> X-Mailer: git-send-email 2.33.0 Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit When building selftests/timens with clang, the compiler warn about the function abs() see below: timerfd.c:64:7: error: absolute value function 'abs' given an argument of type 'long long' but has parameter of type 'int' which may cause truncation of value [-Werror,-Wabsolute-value] if (abs(elapsed - 3600) > 60) { ^ timerfd.c:64:7: note: use function 'llabs' instead if (abs(elapsed - 3600) > 60) { ^~~ llabs The note indicates what to do, Rework to use the function 'llabs()'. Signed-off-by: Anders Roxell --- tools/testing/selftests/timens/timer.c | 2 +- tools/testing/selftests/timens/timerfd.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/timens/timer.c b/tools/testing/selftests/timens/timer.c index 5e7f0051bd7b..5b939f59dfa4 100644 --- a/tools/testing/selftests/timens/timer.c +++ b/tools/testing/selftests/timens/timer.c @@ -56,7 +56,7 @@ int run_test(int clockid, struct timespec now) return pr_perror("timerfd_gettime"); elapsed = new_value.it_value.tv_sec; - if (abs(elapsed - 3600) > 60) { + if (llabs(elapsed - 3600) > 60) { ksft_test_result_fail("clockid: %d elapsed: %lld\n", clockid, elapsed); return 1; diff --git a/tools/testing/selftests/timens/timerfd.c b/tools/testing/selftests/timens/timerfd.c index 9edd43d6b2c1..a4196bbd6e33 100644 --- a/tools/testing/selftests/timens/timerfd.c +++ b/tools/testing/selftests/timens/timerfd.c @@ -61,7 +61,7 @@ int run_test(int clockid, struct timespec now) return pr_perror("timerfd_gettime(%d)", clockid); elapsed = new_value.it_value.tv_sec; - if (abs(elapsed - 3600) > 60) { + if (llabs(elapsed - 3600) > 60) { ksft_test_result_fail("clockid: %d elapsed: %lld\n", clockid, elapsed); return 1; -- 2.33.0