From patchwork Mon Feb 21 08:49:16 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 544981 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 8242EC433EF for ; Mon, 21 Feb 2022 09:03:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347050AbiBUJDZ (ORCPT ); Mon, 21 Feb 2022 04:03:25 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:59958 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348063AbiBUJCR (ORCPT ); Mon, 21 Feb 2022 04:02:17 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 333552AE31; Mon, 21 Feb 2022 00:57:30 -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 6FBA0B80EB0; Mon, 21 Feb 2022 08:57:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id ADC80C340E9; Mon, 21 Feb 2022 08:57:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1645433825; bh=ayBA+JOMEhE7qYzAKjNDLAdlwScjlpp/KMXI+tHUAZg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Cy7Q1MIWjDS/I/9NU5xv7de7p03gkNQa8/GOr/bo2YGFT/enau8X/sRnNmEy7kZPB HviXBaPI4uO5SeZCu85Ha5k36hZK0HZrUFJxfhBEKoxd5wLxmUtLTqXyfpB7ioevLV OkIaVDf/A7e89of7gYQMeR4a1NnzUCcw7Cej4CHQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Johannes Berg , Luca Coelho , Kalle Valo Subject: [PATCH 4.19 23/58] iwlwifi: pcie: fix locking when "HW not ready" Date: Mon, 21 Feb 2022 09:49:16 +0100 Message-Id: <20220221084912.631412691@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220221084911.895146879@linuxfoundation.org> References: <20220221084911.895146879@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Johannes Berg commit e9848aed147708a06193b40d78493b0ef6abccf2 upstream. If we run into this error path, we shouldn't unlock the mutex since it's not locked since. Fix this. Fixes: a6bd005fe92d ("iwlwifi: pcie: fix RF-Kill vs. firmware load race") Signed-off-by: Johannes Berg Signed-off-by: Luca Coelho Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/iwlwifi.20220128142706.5d16821d1433.Id259699ddf9806459856d6aefbdbe54477aecffd@changeid Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/intel/iwlwifi/pcie/trans.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -1363,8 +1363,7 @@ static int iwl_trans_pcie_start_fw(struc /* This may fail if AMT took ownership of the device */ if (iwl_pcie_prepare_card_hw(trans)) { IWL_WARN(trans, "Exit HW not ready\n"); - ret = -EIO; - goto out; + return -EIO; } iwl_enable_rfkill_int(trans);