From patchwork Fri Jul 15 19:59:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Wang X-Patchwork-Id: 591642 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 08302CCA480 for ; Fri, 15 Jul 2022 19:59:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231338AbiGOT7u (ORCPT ); Fri, 15 Jul 2022 15:59:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58490 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231326AbiGOT7p (ORCPT ); Fri, 15 Jul 2022 15:59:45 -0400 Received: from mail-pj1-f43.google.com (mail-pj1-f43.google.com [209.85.216.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED53E753B1; Fri, 15 Jul 2022 12:59:44 -0700 (PDT) Received: by mail-pj1-f43.google.com with SMTP id p9so6530298pjd.3; Fri, 15 Jul 2022 12:59:44 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=HL4YqkhHTZulmVGkQ727X6hpWd2MP1vP+U3JHn48XIg=; b=yHuwHoyYr6cZ5w+uU6rGl9fUGgxOhS6/kma3F2Ov01SCRLQrwu1ehCADoeMsGv27J7 p1csZJFX8PI29SK8hrNC8FKlNieNpOMuJbhZpDaxcPgYG8ISOIJhTsF3EP5fXpaxkY13 1NIUEZliLSIXdmNhcrg235nAxNyir7MsgOiWQokhR5inJePbZIVQ53te2EgECbv9kpC4 f1HGWFmeFzXpScKzmf+Zf/1Svv87gQ5Xth3hwhhQjZDnIPtRatdQWWC4jP3XERujs4hb OaV6T61OkF3LQZGUpK6Si+TX2ivmNx3l26RBfL+IyDiRIyIwnqW29Mfc9nBnWOa8Wi6x 2euQ== X-Gm-Message-State: AJIora/17vwzhWoCPFf3uyL9VdWsHfnQ/FYm13/g1uN4JO0s0ze4AcDr RH62wSwxhxr1Cvh6UtF+QhEu25LAzaM= X-Google-Smtp-Source: AGRyM1ukmZfUzuo48kaMe5GDLlJagmXC8YovtfPvTQyT4c6UyqIKlUNyVjgw7YKbJ1QDyS4v2d0GSQ== X-Received: by 2002:a17:902:d2c8:b0:16c:58d:7278 with SMTP id n8-20020a170902d2c800b0016c058d7278mr15621362plc.45.1657915184160; Fri, 15 Jul 2022 12:59:44 -0700 (PDT) Received: from sean-ThinkPad-T450s.lan (c-73-71-21-1.hsd1.ca.comcast.net. [73.71.21.1]) by smtp.gmail.com with ESMTPSA id y1-20020a62ce01000000b00528bc6d8939sm4224629pfg.157.2022.07.15.12.59.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 15 Jul 2022 12:59:43 -0700 (PDT) From: sean.wang@kernel.org To: stable@vger.kernel.org Cc: linux-wireless@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, Christophe JAILLET , Felix Fietkau Subject: [PATCH v2 5.15 5/5] mt76: mt7921: Fix the error handling path of mt7921_pci_probe() Date: Fri, 15 Jul 2022 12:59:26 -0700 Message-Id: <768b04c445f39ad1fc166b98be8154bd413f978a.1657915079.git.sean.wang@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <27b8ccd411f2c51e2b8193a4eb1fa7e6f416a2f0.1657915079.git.sean.wang@kernel.org> References: <27b8ccd411f2c51e2b8193a4eb1fa7e6f416a2f0.1657915079.git.sean.wang@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Christophe JAILLET commit 4e90db5e21eb3bb272fe47386dc3506755e209e9 upstream. In case of error, some resources must be freed, as already done above and below the devm_kmemdup() and __mt7921e_mcu_drv_pmctrl() calls added in the commit in Fixes:. Fixes: 602cc0c9618a ("mt76: mt7921e: fix possible probe failure after reboot") Signed-off-by: Christophe JAILLET Signed-off-by: Felix Fietkau --- v2: no changed --- drivers/net/wireless/mediatek/mt76/mt7921/pci.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c index 815b926e52e9..36e6495ae658 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c @@ -254,8 +254,10 @@ static int mt7921_pci_probe(struct pci_dev *pdev, dev->bus_ops = dev->mt76.bus; bus_ops = devm_kmemdup(dev->mt76.dev, dev->bus_ops, sizeof(*bus_ops), GFP_KERNEL); - if (!bus_ops) - return -ENOMEM; + if (!bus_ops) { + ret = -ENOMEM; + goto err_free_dev; + } bus_ops->rr = mt7921_rr; bus_ops->wr = mt7921_wr; @@ -264,7 +266,7 @@ static int mt7921_pci_probe(struct pci_dev *pdev, ret = __mt7921e_mcu_drv_pmctrl(dev); if (ret) - return ret; + goto err_free_dev; mdev->rev = (mt7921_l1_rr(dev, MT_HW_CHIPID) << 16) | (mt7921_l1_rr(dev, MT_HW_REV) & 0xff);