Message ID | 20200214204741.94112-30-jbi.octave@gmail.com |
---|---|
State | Not Applicable |
Delegated to: | David Miller |
Headers | show
Return-Path: <netdev-owner@vger.kernel.org> X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=<UNKNOWN>) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=aBz47RZs; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 48K58d4Jcjz9sVW for <patchwork-incoming-netdev@ozlabs.org>; Sat, 15 Feb 2020 07:49:21 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389462AbgBNUtV (ORCPT <rfc822;patchwork-incoming-netdev@ozlabs.org>); Fri, 14 Feb 2020 15:49:21 -0500 Received: from mail-wm1-f66.google.com ([209.85.128.66]:35726 "EHLO mail-wm1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389194AbgBNUtJ (ORCPT <rfc822;netdev@vger.kernel.org>); Fri, 14 Feb 2020 15:49:09 -0500 Received: by mail-wm1-f66.google.com with SMTP id b17so12169464wmb.0; Fri, 14 Feb 2020 12:49:08 -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=PTi1iwWIZalb8+tOHd0befKZim7rmRMoPGjdQ/H1Q4s=; b=aBz47RZsGbC65WLFj4UNgoX+CZnmJ+02b40cXyyAt5/0efODmVSzZReT1/cZZygB4S +Zw7120wmSpkRCNLq/u19JU/y1m1pUPmIGvluelBVso3C2afSC7Wv/Ys0C8sgkIS1uNE IAB1BTzTJETZMNm8FrLUaS1s3CHDsrhskPcHx215hkJqrwXPCI0Ar+1epSEnEOsiCWjR xvHbIQLvMvSwGKHJn6tjScl0HI7QVxO8toDjNuHYAGv6u4dDF4iQ46uTMyfQYqhem0uf nCB1H+UHnNtcdVI0lHuwBGtdkdlb9FS9fJKXiHOSklQGBPr4+Y76Ga+2Jqxd8WZT4iaN g0ZQ== 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=PTi1iwWIZalb8+tOHd0befKZim7rmRMoPGjdQ/H1Q4s=; b=HfdLDeNbJ1jYSyej3WztXkBv5MKFnNz0ysjmBSL9+d87vbUvRCQvit3Fr0S9JiKeZD fTKOQIR8BF2cX2D57coEoBEFMh4K8kBGtWcZDzKfhzrvu/vkuzIIoZ6WUNdBak9X4n6u 9XnWgRcMkq9/4uHdISS73GBCLqttmM2vjWQ9i7gp1U79kG6qt60Hd+XgF0SDnwzhlpgQ G1zj9sG9bXeQEMMdV71OlQV3to5OWP/8CT1rtmtZPHQpCccBwHq0SixGddfGj1vqjbnH aHR7i7YnPlra1wka4zR8tH3wiOv3aGm2xSiGuYyI6x+DY/wrxSf26O4FMTBox+y88qq1 CUyg== X-Gm-Message-State: APjAAAUiROv003qy3eyD5MF5GKKqdokEXdvCSsx8tv15SLgBkc7rGEb9 ig3d8EHknKKXpMpiubUSimsMa5WBMLgT X-Google-Smtp-Source: APXvYqxi2KBCae3Dxf2mX14FJDOPJM+QTqas8Nrf96PI3OidEUW3tVuaFxFc6BWfINBkxqVk3ujmLA== X-Received: by 2002:a7b:c392:: with SMTP id s18mr6435207wmj.169.1581713346958; Fri, 14 Feb 2020 12:49:06 -0800 (PST) Received: from ninjahost.lan (host-2-102-13-223.as13285.net. [2.102.13.223]) by smtp.googlemail.com with ESMTPSA id y12sm8660782wmj.6.2020.02.14.12.49.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Feb 2020 12:49:06 -0800 (PST) From: Jules Irenge <jbi.octave@gmail.com> To: linux-kernel@vger.kernel.org Cc: boqun.feng@gmail.com, Jules Irenge <jbi.octave@gmail.com>, "David S. Miller" <davem@davemloft.net>, Jakub Kicinski <kuba@kernel.org>, Patrick Talbert <ptalbert@redhat.com>, Herbert Xu <herbert@gondor.apana.org.au>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Taehee Yoo <ap420073@gmail.com>, Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>, Li RongQing <lirongqing@baidu.com>, Thomas Gleixner <tglx@linutronix.de>, netdev@vger.kernel.org (open list:NETWORKING [GENERAL]) Subject: [PATCH 29/30] net: Add missing annotation for netlink_walk_start() Date: Fri, 14 Feb 2020 20:47:40 +0000 Message-Id: <20200214204741.94112-30-jbi.octave@gmail.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200214204741.94112-1-jbi.octave@gmail.com> References: <0/30> <20200214204741.94112-1-jbi.octave@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: <netdev.vger.kernel.org> X-Mailing-List: netdev@vger.kernel.org |
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diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 4e31721e7293..a3fddc845538 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -2539,7 +2539,7 @@ struct nl_seq_iter { int link; }; -static void netlink_walk_start(struct nl_seq_iter *iter) +static void netlink_walk_start(struct nl_seq_iter *iter) __acquires(RCU) { rhashtable_walk_enter(&nl_table[iter->link].hash, &iter->hti); rhashtable_walk_start(&iter->hti);
Sparse reports a warning at netlink_walk_start() warning: context imbalance in netlink_walk_start() - wrong count at exit The root cause is the missing annotation at netlink_walk_start() A close look at rhashtable_walk_start_check() shows that an __acquires(RCU) is needed here. Add the missing __acquires(RCU) annotation Signed-off-by: Jules Irenge <jbi.octave@gmail.com> --- net/netlink/af_netlink.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)