From patchwork Mon Sep 30 06:22:21 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vasundhara Volam X-Patchwork-Id: 1169135 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=broadcom.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=broadcom.com header.i=@broadcom.com header.b="HlUOvK8E"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46hXQf6G1Gz9sP7 for ; Mon, 30 Sep 2019 16:23:22 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729651AbfI3GXV (ORCPT ); Mon, 30 Sep 2019 02:23:21 -0400 Received: from mail-pl1-f195.google.com ([209.85.214.195]:46634 "EHLO mail-pl1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729521AbfI3GXU (ORCPT ); Mon, 30 Sep 2019 02:23:20 -0400 Received: by mail-pl1-f195.google.com with SMTP id q24so3480772plr.13 for ; Sun, 29 Sep 2019 23:23:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=from:to:cc:subject:date:message-id; bh=v2UXSRbpPDMJNbLsLxq3/UMcKkAZnO5Y/0E9KDSBhOo=; b=HlUOvK8EVF8UMWp9csj74S9LbksAznt7PrLFcaXSxF+m6w/v54Ri5xl/C30x/ImEMJ U9bVu3JnXRlbtKgiM2qJp44+SZu2B5LtRKAw6Vx5ZQRPqic3/+xxNW+i8La8GZXHgRmO NfKm7YxSxNA52g40Mr2kxNHqEXIGBwnUUWh44= 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; bh=v2UXSRbpPDMJNbLsLxq3/UMcKkAZnO5Y/0E9KDSBhOo=; b=e0NX1EKm8V4FjP7gBwu3Ha4y8rbGrvSBLIj/5S4T/BTRAAUjJSDQeDg45J9Bdr16kB gri9xhxktm0gLjtDTPELxg25HF4CqnUDU2KTLNnKk0Eba2qs0TO2NuYBtu00+RpboYbc yzDyyBXHTcvz+uJjytkdMJcqiZ4g4+Wm+UnPhBA61f6KSsrTsJCrhaPyx+MjWXc1WHDK xNbbv74scY3mOfTQyWIlCJRFhGlBL/vIlLxvkjBWtR1MbpAOCYlk0AbB/eTd/CL12Blz Mn7asaLV8v4HOyPNAGLNmgD+aQYwUHGv1DsLd5PT8mFG8UZikSsGzdw+BS/mvIATyqAH xD8A== X-Gm-Message-State: APjAAAVOvTBxgV9osE0meMlbay+rlDyZphwnfrRy0BhVhUGJG1wxx+DA KiUNiQfIAeLgfH/yoRzYfyg3MA== X-Google-Smtp-Source: APXvYqxS5mukV3TFkP4Xq/q+BaOaakE/7lN/V/+BF5mQ6mYb9Z91Ek2eW5lQDhwmEy3mPXay9GlV9g== X-Received: by 2002:a17:902:a987:: with SMTP id bh7mr18259242plb.159.1569824600035; Sun, 29 Sep 2019 23:23:20 -0700 (PDT) Received: from lxpurley1.dhcp.broadcom.net ([192.19.234.250]) by smtp.gmail.com with ESMTPSA id ev20sm10811593pjb.19.2019.09.29.23.23.16 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 29 Sep 2019 23:23:19 -0700 (PDT) From: Vasundhara Volam To: davem@davemloft.net Cc: netdev@vger.kernel.org, Vasundhara Volam , Andrew Lunn , Jiri Pirko , Michael Chan Subject: [PATCH v2 net] devlink: Fix error handling in param and info_get dumpit cb Date: Mon, 30 Sep 2019 11:52:21 +0530 Message-Id: <1569824541-5603-1-git-send-email-vasundhara-v.volam@broadcom.com> X-Mailer: git-send-email 1.8.3.1 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org If any of the param or info_get op returns error, dumpit cb is skipping to dump remaining params or info_get ops for all the drivers. Fix to not return if any of the param/info_get op returns error as not supported and continue to dump remaining information. v2: Modify the patch to return error, except for params/info_get op that return -EOPNOTSUPP as suggested by Andrew Lunn. Also, modify commit message to reflect the same. Cc: Andrew Lunn Cc: Jiri Pirko Cc: Michael Chan Signed-off-by: Vasundhara Volam Acked-by: Jiri Pirko Reviewed-by: Andrew Lunn --- net/core/devlink.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/net/core/devlink.c b/net/core/devlink.c index e48680e..f80151e 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -3172,7 +3172,7 @@ static int devlink_nl_cmd_param_get_dumpit(struct sk_buff *msg, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI); - if (err) { + if (err && err != -EOPNOTSUPP) { mutex_unlock(&devlink->lock); goto out; } @@ -3432,7 +3432,7 @@ static int devlink_nl_cmd_port_param_get_dumpit(struct sk_buff *msg, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI); - if (err) { + if (err && err != -EOPNOTSUPP) { mutex_unlock(&devlink->lock); goto out; } @@ -4088,7 +4088,7 @@ static int devlink_nl_cmd_info_get_dumpit(struct sk_buff *msg, cb->nlh->nlmsg_seq, NLM_F_MULTI, cb->extack); mutex_unlock(&devlink->lock); - if (err) + if (err && err != -EOPNOTSUPP) break; idx++; }