From patchwork Wed May 12 14:44:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 436981 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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, 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 B73B6C43460 for ; Wed, 12 May 2021 15:32:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 81F6761CE3 for ; Wed, 12 May 2021 15:32:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233410AbhELPdO (ORCPT ); Wed, 12 May 2021 11:33:14 -0400 Received: from mail.kernel.org ([198.145.29.99]:38874 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234933AbhELPZ4 (ORCPT ); Wed, 12 May 2021 11:25:56 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2412F6162A; Wed, 12 May 2021 15:11:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1620832266; bh=EuN0jmkZAT174ZxhbQczPDZMg+vgNKSeYtDiRKZhCno=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iGg3CrUo+6XisieAru7VI5a3BHIrhChwjsZdyPxqcYBa9pretU644uDyxMdgfc5Z0 rOASYnrBz9HZxRD4jRV4zHbgwAIR+Xt2dOM7ziXG3C+G1FrN2eH9RepTYpt9treYdp M7W+rseNzAHeq/NSu9XjV88xSE+RwL6ZgpEGk+TQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Christophe JAILLET , Krzysztof Kozlowski , Sasha Levin Subject: [PATCH 5.10 182/530] usb: gadget: s3c: Fix incorrect resources releasing Date: Wed, 12 May 2021 16:44:52 +0200 Message-Id: <20210512144825.812719482@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210512144819.664462530@linuxfoundation.org> References: <20210512144819.664462530@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Christophe JAILLET [ Upstream commit 42067ccd9eb2077979ac3ce8b7b95c694bd09e14 ] Since commit 188db4435ac6 ("usb: gadget: s3c: use platform resources"), 'request_mem_region()' and 'ioremap()' are no more used, so they don't need to be undone in the error handling path of the probe and in the remove function. Remove these calls and the unneeded 'rsrc_start' and 'rsrc_len' global variables. Fixes: 188db4435ac6 ("usb: gadget: s3c: use platform resources") Signed-off-by: Christophe JAILLET Reviewed-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/b317638464f188159bd8eea44427dd359e480625.1616830026.git.christophe.jaillet@wanadoo.fr Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/gadget/udc/s3c2410_udc.c | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) diff --git a/drivers/usb/gadget/udc/s3c2410_udc.c b/drivers/usb/gadget/udc/s3c2410_udc.c index 1d3ebb07ccd4..b81979b3bdb6 100644 --- a/drivers/usb/gadget/udc/s3c2410_udc.c +++ b/drivers/usb/gadget/udc/s3c2410_udc.c @@ -54,8 +54,6 @@ static struct clk *udc_clock; static struct clk *usb_bus_clock; static void __iomem *base_addr; static int irq_usbd; -static u64 rsrc_start; -static u64 rsrc_len; static struct dentry *s3c2410_udc_debugfs_root; static inline u32 udc_read(u32 reg) @@ -1775,7 +1773,7 @@ static int s3c2410_udc_probe(struct platform_device *pdev) base_addr = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(base_addr)) { retval = PTR_ERR(base_addr); - goto err_mem; + goto err; } the_controller = udc; @@ -1793,7 +1791,7 @@ static int s3c2410_udc_probe(struct platform_device *pdev) if (retval != 0) { dev_err(dev, "cannot get irq %i, err %d\n", irq_usbd, retval); retval = -EBUSY; - goto err_map; + goto err; } dev_dbg(dev, "got irq %i\n", irq_usbd); @@ -1864,10 +1862,7 @@ err_gpio_claim: gpio_free(udc_info->vbus_pin); err_int: free_irq(irq_usbd, udc); -err_map: - iounmap(base_addr); -err_mem: - release_mem_region(rsrc_start, rsrc_len); +err: return retval; } @@ -1899,9 +1894,6 @@ static int s3c2410_udc_remove(struct platform_device *pdev) free_irq(irq_usbd, udc); - iounmap(base_addr); - release_mem_region(rsrc_start, rsrc_len); - if (!IS_ERR(udc_clock) && udc_clock != NULL) { clk_disable_unprepare(udc_clock); clk_put(udc_clock);