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=-9.3 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 3B4ABC432C3 for ; Sat, 16 Nov 2019 15:13:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 051FC20723 for ; Sat, 16 Nov 2019 15:13:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="troAVNLK" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727767AbfKPPNS (ORCPT ); Sat, 16 Nov 2019 10:13:18 -0500 Received: from mail-pl1-f196.google.com ([209.85.214.196]:37048 "EHLO mail-pl1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727725AbfKPPNS (ORCPT ); Sat, 16 Nov 2019 10:13:18 -0500 Received: by mail-pl1-f196.google.com with SMTP id bb5so6790115plb.4 for ; Sat, 16 Nov 2019 07:13:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=6PMJBYfi+MFp/WSvHu4BfyahFpipNVPZufGnFKeqIJ0=; b=troAVNLK6jEpIWZCG31iWcNneowSZP0cl6OebHj0JDxZyjWmWvJrnCD4y+4LDk6HIg JUkDYVpeyxRMLnaRyOBmPzi02eHSAEnbII9uc2FtlDlYO0oFPn3zCY38+bVwSrObWvxN 8x9R3H9THYKecHilAD//kkSqBIyS0icejEGsPy/uvB93hUAZnBoxO9capZjsOLdFVWJt 16CV8EKLgiTrgdciHsGbQJlK6vesQyeeBK0u2ruR5mN9ARlUsq5sheUuebMS9AGTYyr+ I2aRedqen49msIgAHWovC7RauzbZCV31AuSzGPrxbkD3IjrCjOyO2gMsksdpfq5CbIXy ceDg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=6PMJBYfi+MFp/WSvHu4BfyahFpipNVPZufGnFKeqIJ0=; b=S6buf2aTjgzUr1qaDU0B540t1vcF9PcEXFSk2j0o5WYOO6Jbzji5Z1wOrB6YKgzwJ0 7Kdq6fn2YJy4CuO1FwwOxBvDnChAQvNPlqN+PPFHkyakUzMiHb/wkQo/297xqI6x4oik KNIRHd2qfZKV2UJ/Q6kPFjD+viay5jL3ZajRgiTkosorShsj9CEc4gyX2/5E3ZzxNOWK 7oXKeiBHm/kHYSA4cqH0cjY+W3ThEmLwYKhgsBbWd+ZrHmlvOWCElecf3xUIgIp5cyl4 MIfc+Rlhees/AJdElAy7jNKQ/6FJedsqCzkN6edkemILv2O1RaNTg/SsrVEdSzHSzhfF T8+g== X-Gm-Message-State: APjAAAUDI6fcq+JBs2JdUQimvsce6Q+9CgKIQ6KjGlYc8xLbPg1Qd7bi pjDigEllNlC6VDY7Dp8tYo0= X-Google-Smtp-Source: APXvYqznBQaKrsVLxYJyPZ3nDd2vWoExdvM61/5Tqtxu67JOFUswDLJf/Mou9v1M9tqU6Jfq/+pspQ== X-Received: by 2002:a17:902:be14:: with SMTP id r20mr20084700pls.297.1573917197619; Sat, 16 Nov 2019 07:13:17 -0800 (PST) Received: from suzukaze.ipads-lab.se.sjtu.edu.cn ([202.120.40.82]) by smtp.gmail.com with ESMTPSA id k24sm16187937pfk.63.2019.11.16.07.13.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 16 Nov 2019 07:13:16 -0800 (PST) From: Chuhong Yuan Cc: Lee Jones , linux-kernel@vger.kernel.org, Chuhong Yuan Subject: [PATCH] mfd: sm501: fix mismatches of request_mem_region Date: Sat, 16 Nov 2019 23:13:08 +0800 Message-Id: <20191116151308.17817-1-hslester96@gmail.com> X-Mailer: git-send-email 2.24.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This driver misuses release_resource + kfree to match request_mem_region, which is incorrect. The right way is to use release_mem_region. Replace the mismatched calls with the right ones to fix it. Signed-off-by: Chuhong Yuan --- drivers/mfd/sm501.c | 19 +++++++------------ 1 file changed, 7 insertions(+), 12 deletions(-) diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c index 154270f8d8d7..e49787e6bb93 100644 --- a/drivers/mfd/sm501.c +++ b/drivers/mfd/sm501.c @@ -1086,8 +1086,7 @@ static int sm501_register_gpio(struct sm501_devdata *sm) iounmap(gpio->regs); err_claimed: - release_resource(gpio->regs_res); - kfree(gpio->regs_res); + release_mem_region(iobase, 0x20); return ret; } @@ -1095,6 +1094,7 @@ static int sm501_register_gpio(struct sm501_devdata *sm) static void sm501_gpio_remove(struct sm501_devdata *sm) { struct sm501_gpio *gpio = &sm->gpio; + resource_size_t iobase = sm->io_res->start + SM501_GPIO; if (!sm->gpio.registered) return; @@ -1103,8 +1103,7 @@ static void sm501_gpio_remove(struct sm501_devdata *sm) gpiochip_remove(&gpio->high.gpio); iounmap(gpio->regs); - release_resource(gpio->regs_res); - kfree(gpio->regs_res); + release_mem_region(iobase, 0x20); } static inline int sm501_gpio_isregistered(struct sm501_devdata *sm) @@ -1427,8 +1426,7 @@ static int sm501_plat_probe(struct platform_device *dev) return sm501_init_dev(sm); err_claim: - release_resource(sm->regs_claim); - kfree(sm->regs_claim); + release_mem_region(sm->io_res->start, 0x100); err_res: kfree(sm); err1: @@ -1637,8 +1635,7 @@ static int sm501_pci_probe(struct pci_dev *dev, return 0; err4: - release_resource(sm->regs_claim); - kfree(sm->regs_claim); + release_mem_region(sm->io_res->start, 0x100); err3: pci_disable_device(dev); err2: @@ -1673,8 +1670,7 @@ static void sm501_pci_remove(struct pci_dev *dev) sm501_dev_remove(sm); iounmap(sm->regs); - release_resource(sm->regs_claim); - kfree(sm->regs_claim); + release_mem_region(sm->io_res->start, 0x100); pci_disable_device(dev); } @@ -1686,8 +1682,7 @@ static int sm501_plat_remove(struct platform_device *dev) sm501_dev_remove(sm); iounmap(sm->regs); - release_resource(sm->regs_claim); - kfree(sm->regs_claim); + release_mem_region(sm->io_res->start, 0x100); return 0; } -- 2.24.0