From patchwork Sun Aug 23 07:23:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dinghao Liu X-Patchwork-Id: 1349798 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=zju.edu.cn Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BZ6Fy62xbz9sTS for ; Sun, 23 Aug 2020 17:24:38 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727977AbgHWHYD (ORCPT ); Sun, 23 Aug 2020 03:24:03 -0400 Received: from mail.zju.edu.cn ([61.164.42.155]:20876 "EHLO zju.edu.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725981AbgHWHYD (ORCPT ); Sun, 23 Aug 2020 03:24:03 -0400 Received: from localhost.localdomain (unknown [210.32.144.184]) by mail-app2 (Coremail) with SMTP id by_KCgCHL2CCGUJf3g4cAg--.13666S4; Sun, 23 Aug 2020 15:23:50 +0800 (CST) From: Dinghao Liu To: dinghao.liu@zju.edu.cn, kjlu@umn.edu Cc: Colin Ian King , "David S. Miller" , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] NFC: st95hf: Fix memleak in st95hf_in_send_cmd Date: Sun, 23 Aug 2020 15:23:43 +0800 Message-Id: <20200823072346.17140-1-dinghao.liu@zju.edu.cn> X-Mailer: git-send-email 2.17.1 X-CM-TRANSID: by_KCgCHL2CCGUJf3g4cAg--.13666S4 X-Coremail-Antispam: 1UD129KBjvdXoW7XryxZr15Zw43tryDtr1fZwb_yoW3XFg_Kr W5Z3yxuFWDJr17t3429FnxJryak3Z5ZrsYva4IqFy3t34jvwn8CFZ8ursrJFnxGry8uF9x Cas5XrW8Zr47JjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbIkFc2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3wAFIxvE14AK wVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK021l84ACjcxK6xIIjxv20x vE14v26w1j6s0DM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4UJVWxJr1l84ACjcxK6I8E 87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_GcCE3s1le2I262IYc4CY6c 8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_JrI_ JrylYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwI xGrwACjI8F5VA0II8E6IAqYI8I648v4I1lc2xSY4AK67AK6r4xMxAIw28IcxkI7VAKI48J MxAIw28IcVCjz48v1sIEY20_GFWkJr1UJwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c 02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_JF0_ Jw1lIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7 CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6rWUJVWrZr1UMIIF0xvEx4A2jsIE 14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf 9x0JUGhFxUUUUU= X-CM-SenderInfo: qrrzjiaqtzq6lmxovvfxof0/1tbiAgoSBlZdtPnBhAA5sm Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org When down_killable() fails, skb_resp should be freed just like when st95hf_spi_send() fails. Signed-off-by: Dinghao Liu --- drivers/nfc/st95hf/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nfc/st95hf/core.c b/drivers/nfc/st95hf/core.c index 9642971e89ce..457854765983 100644 --- a/drivers/nfc/st95hf/core.c +++ b/drivers/nfc/st95hf/core.c @@ -966,7 +966,7 @@ static int st95hf_in_send_cmd(struct nfc_digital_dev *ddev, rc = down_killable(&stcontext->exchange_lock); if (rc) { WARN(1, "Semaphore is not found up in st95hf_in_send_cmd\n"); - return rc; + goto free_skb_resp; } rc = st95hf_spi_send(&stcontext->spicontext, skb->data,