From patchwork Mon Feb 21 08:48:27 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 544826 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 166DAC4167B for ; Mon, 21 Feb 2022 09:27:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348574AbiBUJ1d (ORCPT ); Mon, 21 Feb 2022 04:27:33 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:48082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349342AbiBUJZv (ORCPT ); Mon, 21 Feb 2022 04:25:51 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2205B3980C; Mon, 21 Feb 2022 01:10:35 -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 dfw.source.kernel.org (Postfix) with ESMTPS id 0393C60B23; Mon, 21 Feb 2022 09:10:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E0B64C340E9; Mon, 21 Feb 2022 09:10:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1645434634; bh=hNhPJezUobuokOl8E7Mv7fUlIfIxunULPG2WNnzVhXc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QTwVUeb2E0JKc6DlQYjDTGjKhjW1Rsx0NB4ViOVokUfh9lO1tBmWIbjc3mA6MI619 Ywp+NpjBYM+1ZubWzpJWQPlKvNPEtKrPrTWkk+Y+R88nXi25tXMXbKtjv3RkwgwURf SCG1LZhfweLurrtKdIY6+lH/KoiNvCTfO3YxuSjI= 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 5.15 075/196] iwlwifi: pcie: gen2: fix locking when "HW not ready" Date: Mon, 21 Feb 2022 09:48:27 +0100 Message-Id: <20220221084933.446409056@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220221084930.872957717@linuxfoundation.org> References: <20220221084930.872957717@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 4c29c1e27a1e178a219b3877d055e6dd643bdfda upstream. If we run into this error path, we shouldn't unlock the mutex since it's not locked since. Fix this in the gen2 code as well. Fixes: eda50cde58de ("iwlwifi: pcie: add context information support") Signed-off-by: Johannes Berg Signed-off-by: Luca Coelho Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/iwlwifi.20220128142706.b8b0dfce16ef.Ie20f0f7b23e5911350a2766524300d2915e7b677@changeid Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans-gen2.c @@ -408,8 +408,7 @@ int iwl_trans_pcie_gen2_start_fw(struct /* 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);