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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 20EF4C7618E for ; Fri, 21 Apr 2023 01:51:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233212AbjDUBvd (ORCPT ); Thu, 20 Apr 2023 21:51:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46548 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233353AbjDUBvb (ORCPT ); Thu, 20 Apr 2023 21:51:31 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 352AA6E87 for ; Thu, 20 Apr 2023 18:51:27 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B233E64C08 for ; Fri, 21 Apr 2023 01:51:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8BEC9C433D2; Fri, 21 Apr 2023 01:51:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1682041886; bh=6Cj2ID1mSv7BJ7IXoADQfgQI6/Xck+gyUHb2iyToktE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bVGa2AZO0gVXcZlpw7+m6d691vZxf80hlylolvVYd4AwrWSa6EhbNmyvxZJfHhfv5 Gz3TPJinirQSsMHAOz04ZRibJ2L4T+Yax52OLGz+/Vo45X/8Dlo/QJn0qhfMcNrngB arl/RzUP57MdvoyCP+svHrr93QmyCacNlwvLrSc7k0IcXmKItcOKQoUY6+3CVtCbEa mMQArQRXoAP+LuhL/mzlDPdESVUV9swda5hJBdye1h7rIlbwEW64oJq/hYGub6gW9C xg7bscrwXEIF6TAvsE4ncRwFDrdfgEiKe7+RYdAsBT4Gf5C7thQlJBdbTRkw7vkAwT Qh61MDoR93J8Q== From: Saeed Mahameed To: "David S. Miller" , Jakub Kicinski , Paolo Abeni , Eric Dumazet Cc: Saeed Mahameed , netdev@vger.kernel.org, Tariq Toukan , Chris Mi , Maor Dickman Subject: [net V2 05/10] net/mlx5: Release tunnel device after tc update skb Date: Thu, 20 Apr 2023 18:50:52 -0700 Message-Id: <20230421015057.355468-6-saeed@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230421015057.355468-1-saeed@kernel.org> References: <20230421015057.355468-1-saeed@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Chris Mi The cited commit causes a regression. Tunnel device is not released after tc update skb if skb needs to be freed. The following error message will be printed: unregister_netdevice: waiting for vxlan1 to become free. Usage count = 11 Fix it by releasing tunnel device if skb needs to be freed. Fixes: 93a1ab2c545b ("net/mlx5: Refactor tc miss handling to a single function") Signed-off-by: Chris Mi Reviewed-by: Maor Dickman Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c index 8f7452dc00ee..668fdee9cf05 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/tc.c @@ -715,5 +715,6 @@ void mlx5e_rep_tc_receive(struct mlx5_cqe64 *cqe, struct mlx5e_rq *rq, return; free_skb: + dev_put(tc_priv.fwd_dev); dev_kfree_skb_any(skb); } -- 2.39.2