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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 528F2C282CE for ; Mon, 22 Apr 2019 20:03:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 13FA2204EC for ; Mon, 22 Apr 2019 20:03:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1555963426; bh=KIHD3FTr5hMonU1tvkDj/CFp8Gcw0o8BBF2Qt4bOC1Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=jH6UDXMNfGo3VVsZFv9RWjExCl4dvMOG7FtUtrvTroxvC35BaqLVr9HZBOFP/A819 KWe1L4S/yS8wv/fAlCp8/RRVlP3eWPjUx2EEb72DMg/99SxJbjp6hLS70vZf+6UMFG 57lmHds70ef2BcIo+WcBxhfeFAoGWrVY0ZOPkIJ4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729359AbfDVTpv (ORCPT ); Mon, 22 Apr 2019 15:45:51 -0400 Received: from mail.kernel.org ([198.145.29.99]:47590 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729329AbfDVTpn (ORCPT ); Mon, 22 Apr 2019 15:45:43 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 21128218FC; Mon, 22 Apr 2019 19:45:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1555962342; bh=KIHD3FTr5hMonU1tvkDj/CFp8Gcw0o8BBF2Qt4bOC1Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wN4862CkqYbLPjsbiaVYPR70hPN4gdb1GI4X63nDz06HxadW07SPr8iMfTu1wn553 vXYp3DzyWqaN5AR2+a2YJAlBztYzALWYpX4AXcaE4ypee6wfRrPEb564PAv3pQqgjX bPNUWHTJgC1VT36UdtlwNm0GOuroqPaV9ba1Qhh8= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Julian Wiedmann , "David S . Miller" , Sasha Levin , linux-s390@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 14/68] s390/qeth: fix race when initializing the IP address table Date: Mon, 22 Apr 2019 15:44:22 -0400 Message-Id: <20190422194516.11634-14-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190422194516.11634-1-sashal@kernel.org> References: <20190422194516.11634-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Julian Wiedmann [ Upstream commit 7221b727f0079a32aca91f657141e1de564d4b97 ] The ucast IP table is utilized by some of the L3-specific sysfs attributes that qeth_l3_create_device_attributes() provides. So initialize the table _before_ registering the attributes. Fixes: ebccc7397e4a ("s390/qeth: add missing hash table initializations") Signed-off-by: Julian Wiedmann Signed-off-by: David S. Miller Signed-off-by: Sasha Levin (Microsoft) --- drivers/s390/net/qeth_l3_main.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 7f71ca0d08e7..9c5e801b3f6c 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -2586,12 +2586,14 @@ static int qeth_l3_probe_device(struct ccwgroup_device *gdev) struct qeth_card *card = dev_get_drvdata(&gdev->dev); int rc; + hash_init(card->ip_htable); + if (gdev->dev.type == &qeth_generic_devtype) { rc = qeth_l3_create_device_attributes(&gdev->dev); if (rc) return rc; } - hash_init(card->ip_htable); + hash_init(card->ip_mc_htable); card->options.layer2 = 0; card->info.hwtrap = 0; -- 2.19.1