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 9F9A1C433EF for ; Sat, 29 Jan 2022 12:01:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242175AbiA2MBE (ORCPT ); Sat, 29 Jan 2022 07:01:04 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48534 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233572AbiA2MBD (ORCPT ); Sat, 29 Jan 2022 07:01:03 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2F1E5C061714 for ; Sat, 29 Jan 2022 04:01:03 -0800 (PST) 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 ams.source.kernel.org (Postfix) with ESMTPS id D8795B827AA for ; Sat, 29 Jan 2022 12:01:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 02245C340EB; Sat, 29 Jan 2022 12:00:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1643457660; bh=vy9PEfD7++/42c8XhBfqWWS/6AmOCS70p5qtGioJs1U=; h=Subject:To:Cc:From:Date:From; b=S9sp25T7lGlqxgda9bDi+xQ/rLMshCRPiG+QN1FUMLRQS/ecxdq/kgqgdLwKegg7d dDua4reFTWGuy+xdEuRnaif764Wu/a7yEN0gtU9DTlMTJBPB6Y2IopeDMDdo5w9yXR 9Uhfy0PwC0sNuY89HbEsilDZuQUCSSO4NmJrN3Kg= Subject: FAILED: patch "[PATCH] net: sfp: ignore disabled SFP node" failed to apply to 4.19-stable tree To: kabel@kernel.org, davem@davemloft.net Cc: From: Date: Sat, 29 Jan 2022 13:00:49 +0100 Message-ID: <16434576496299@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org The patch below does not apply to the 4.19-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 2148927e6ed43a1667baf7c2ae3e0e05a44b51a0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marek=20Beh=C3=BAn?= Date: Wed, 19 Jan 2022 17:44:55 +0100 Subject: [PATCH] net: sfp: ignore disabled SFP node MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Commit ce0aa27ff3f6 ("sfp: add sfp-bus to bridge between network devices and sfp cages") added code which finds SFP bus DT node even if the node is disabled with status = "disabled". Because of this, when phylink is created, it ends with non-null .sfp_bus member, even though the SFP module is not probed (because the node is disabled). We need to ignore disabled SFP bus node. Fixes: ce0aa27ff3f6 ("sfp: add sfp-bus to bridge between network devices and sfp cages") Signed-off-by: Marek Behún Cc: stable@vger.kernel.org # 2203cbf2c8b5 ("net: sfp: move fwnode parsing into sfp-bus layer") Signed-off-by: David S. Miller diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c index 0c6c0d1843bc..c1512c9925a6 100644 --- a/drivers/net/phy/sfp-bus.c +++ b/drivers/net/phy/sfp-bus.c @@ -651,6 +651,11 @@ struct sfp_bus *sfp_bus_find_fwnode(struct fwnode_handle *fwnode) else if (ret < 0) return ERR_PTR(ret); + if (!fwnode_device_is_available(ref.fwnode)) { + fwnode_handle_put(ref.fwnode); + return NULL; + } + bus = sfp_bus_get(ref.fwnode); fwnode_handle_put(ref.fwnode); if (!bus)