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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,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 411F3C2BA83 for ; Sun, 9 Feb 2020 22:48:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 12BD72082E for ; Sun, 9 Feb 2020 22:48:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="EkGmaN7H" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727566AbgBIWsT (ORCPT ); Sun, 9 Feb 2020 17:48:19 -0500 Received: from mail-wr1-f68.google.com ([209.85.221.68]:37227 "EHLO mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726798AbgBIWsS (ORCPT ); Sun, 9 Feb 2020 17:48:18 -0500 Received: by mail-wr1-f68.google.com with SMTP id w15so5261160wru.4 for ; Sun, 09 Feb 2020 14:48:18 -0800 (PST) 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 :mime-version:content-transfer-encoding; bh=H5h8f3WgoxP68Q6jLjqnQAtMRjQkjB73Uemeu2QcLQ8=; b=EkGmaN7Hdx2AlLEaPXhlhQGpfOEm+tHRBC/MIcGo5vf6FsWUktGo0FD0AviDcjdToY MbxjHvGKJSALR8264JXx5D9gmG8VvRL5LvPbc1wQKxK4TUE+lKnqXgaMCC1CoE0DF9v9 +guEHtFifFdPN9cRUFrwzo1IyNhnejLmnBCD5yDEKWcnhPOwjtgdbl9h/h+KIzDwXtwV Q3DSNJCoblTbQA4WGLzSthx6bhNzdpYNVCenOwUTwGOuX8t3wcLEsDKp26RzjZlcJmLH iVIePJDgrWXk3IeRfB0ZvskyL3Pmfcli/ZUAGXBRvkmhrkG/q7EOO4VE8YSkTrTQ6aku t+Ig== 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:mime-version:content-transfer-encoding; bh=H5h8f3WgoxP68Q6jLjqnQAtMRjQkjB73Uemeu2QcLQ8=; b=R9mp9V9czmT0pYE8oAT3FOkqEWSegFXY+Aq3nIFngYGGSlX77D7vHKaJrQ4oYd5Vu4 mUAUImkeuPM2665buajUZXAOruuVYyr2ibMqCdlxDBTWbvuAq6v1TKmhIBWxxF6/9Sfu JdI7WzRkgOrRoAr4lx2Fz3l3hOJxiTvSl2UqqK0KzEwBqN4iR3l18LcfvFN245EGmPqY ti8GaQ4hI7ltyFFj6RsE28JJFrcKgA78Y+fCf71wElTneWFg8onmgA1WQb5UNl38XtZi 9DGJ1sItwd99W+WocA5ss1ATyi6IGChIFF45tv60bMHfs/4v7oyAcn2XbFpd24jlgvW4 vCrg== X-Gm-Message-State: APjAAAWl418ue0gPwXfT7ImdSU+0VCj9q8BgbrTV97fzwqgxdb/+NcZe E88qWZ4PtcNMe6AmtU8lNg== X-Google-Smtp-Source: APXvYqzPnz2CPIG4fKhNxRmelMYzQbiLmYpx3/e93ZBy+WFI67OYTVo119MdAJS3TtEK6WC/eYc89w== X-Received: by 2002:a5d:494f:: with SMTP id r15mr13257456wrs.143.1581288497124; Sun, 09 Feb 2020 14:48:17 -0800 (PST) Received: from ninjahost.lan (host-2-102-13-223.as13285.net. [2.102.13.223]) by smtp.googlemail.com with ESMTPSA id p15sm12708938wma.40.2020.02.09.14.48.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 09 Feb 2020 14:48:16 -0800 (PST) From: Jules Irenge To: boqun.feng@gmail.com Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, kasan-dev@googlegroups.com, akpm@linux-foundation.org, dvyukov@google.com, glider@google.com, aryabinin@virtuozzo.com, Jules Irenge Subject: [PATCH 09/11] kasan: add missing annotation for start_report() Date: Sun, 9 Feb 2020 22:48:07 +0000 Message-Id: <1eca01a2537e0500f4f31c335edfecf0a10bd294.1581282103.git.jbi.octave@gmail.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: References: <0/11> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Sparse reports a warning at start_report() warning: context imbalance in start_report() - wrong count at exit The root cause is a missing annotation at start_report() Add the missing annotation __acquires(&report_lock) Signed-off-by: Jules Irenge --- mm/kasan/report.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/kasan/report.c b/mm/kasan/report.c index 5ef9f24f566b..5451624c4e09 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -77,7 +77,7 @@ static void print_error_description(struct kasan_access_info *info) static DEFINE_SPINLOCK(report_lock); -static void start_report(unsigned long *flags) +static void start_report(unsigned long *flags) __acquires(&report_lock) { /* * Make sure we don't end up in loop. -- 2.24.1