From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 54AB2C433F5 for ; Mon, 27 Aug 2018 23:15:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0B091208B3 for ; Mon, 27 Aug 2018 23:15:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="bWpggvOo" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0B091208B3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727684AbeH1DEa (ORCPT ); Mon, 27 Aug 2018 23:04:30 -0400 Received: from mail-ed1-f53.google.com ([209.85.208.53]:43278 "EHLO mail-ed1-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727610AbeH1DE2 (ORCPT ); Mon, 27 Aug 2018 23:04:28 -0400 Received: by mail-ed1-f53.google.com with SMTP id z27-v6so432832edb.10 for ; Mon, 27 Aug 2018 16:15:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=B6S1YfaalLQeOoG1AXl7LMHN6ZItLjkjAXpv/5xk+0A=; b=bWpggvOo2b3yJbU+IGn980gmzktuyLs2yvC3yFeJxVbmfDDsFbvN9XFBC2lCSAoCct Dofv0nlucHgBXhIr/DEXAAbjZad+JmJvB95F/DPs0hLTtxF7k6YqYxqO8NFllHzpHWBb UbA5PlDEG+PkER7BJUynImU9luiUv0be/MFIyknjMbYlsFEsPCq9NRTaNVnhoWCXRHIM INJv+95kUWHVzIbbmW8JW88IjEK4t3A8OtDA5ErwvRnET0++y+DkaEkKX5p749HgETJ4 dpsUc6h5+wEgMLpCzfxjzzn/p/vMCAWFGc3l2fySvi7ShJnTXf6BHE9DEQ2e0rbOPsw3 31oQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=B6S1YfaalLQeOoG1AXl7LMHN6ZItLjkjAXpv/5xk+0A=; b=Kmhk5k+3g9Tejp9lWipsHh29PVkuWGenXLYm0v+B4tjdXFKYP++TdOn8enP3G6xpXN P6FijxDtpRe+WRgXMyz+aitLgQPy7ujZz+LAv9D7UomEtBSXYb0C9l50ZValIu3cvgHf eYC2B7rW54BydhDfWyKSGaOwCwlTSmLv0lvAXrILTatejjAic9yefYwXtF+F8s0ajbQT sPSn3FVSnK7FiYBlrzdtJP1TYmuC6xM4oyxjkQArYX1q1QDeqKWgzEEEe2S/fuNJX4Bs Eu32iLLKXww3c+LkGgGYza87tFE1IWk+70Gl8uUjCTL5ww4oxbghU7Pp0HMjO3kPJas8 73tA== X-Gm-Message-State: APzg51BYTqNSubgCuNw4Js0aayaRY3a6Ye+S2QHL40pP3KFH7HuwhRyr z9G4hOGfg4XhbEf8Lj8yGw== X-Google-Smtp-Source: ANB0VdZ7qWab30LpRaS9Rm7AxZCkl+dozyN5O+mi9n8B1rnw7jnFfL3MxkU74nS3ULKvucs8K7Xp5A== X-Received: by 2002:a50:8e09:: with SMTP id 9-v6mr18544251edw.101.1535411741810; Mon, 27 Aug 2018 16:15:41 -0700 (PDT) Received: from localhost.localdomain (nat4-minsk-pool-46-53-177-92.telecom.by. [46.53.177.92]) by smtp.gmail.com with ESMTPSA id u3-v6sm173918edo.44.2018.08.27.16.15.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 27 Aug 2018 16:15:41 -0700 (PDT) From: Alexey Dobriyan To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, Alexey Dobriyan Subject: [PATCH 11/13] proc: readdir /proc/*/task Date: Tue, 28 Aug 2018 02:15:01 +0300 Message-Id: <20180827231503.26899-11-adobriyan@gmail.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20180827231503.26899-1-adobriyan@gmail.com> References: <20180827231503.26899-1-adobriyan@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --- fs/proc/base.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/proc/base.c b/fs/proc/base.c index 33f444721965..668e465c86b3 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -3549,11 +3549,11 @@ static int proc_task_readdir(struct file *file, struct dir_context *ctx) for (task = first_tid(proc_pid(inode), tid, ctx->pos - 2, ns); task; task = next_tid(task), ctx->pos++) { - char name[10 + 1]; - unsigned int len; + char name[10], *p = name + sizeof(name); + tid = task_pid_nr_ns(task, ns); - len = snprintf(name, sizeof(name), "%u", tid); - if (!proc_fill_cache(file, ctx, name, len, + p = _print_integer_u32(p, tid); + if (!proc_fill_cache(file, ctx, p, name + sizeof(name) - p, proc_task_instantiate, task, NULL)) { /* returning this tgid failed, save it as the first * pid for the next readir call */ -- 2.16.4