From patchwork Tue Sep 1 15:11:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 310273 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=-10.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 A40EDC433E6 for ; Tue, 1 Sep 2020 16:51:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 71746206C0 for ; Tue, 1 Sep 2020 16:51:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598979119; bh=HxNW5RGVPgIYUInpSpsSzhURUuvgXFNSdiNRVoEaT1g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=qk7Hs+0K7GjFWNLAXTsfZp3HaZ+d2odKkotX0BEw+u+T6vhJJrNfmfvjJ0TRkSE9T pZU7dqPEdUJ2pjsRbeIz34Y6Pqf8CXmeleyDDumpxNZMD4LsdVb6spHOOvdYBRAMyQ rygaAklPpcHhqVEi8DExJkeireYgvv7uzP7ikTOQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732391AbgIAQvt (ORCPT ); Tue, 1 Sep 2020 12:51:49 -0400 Received: from mail.kernel.org ([198.145.29.99]:50872 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729772AbgIAPZw (ORCPT ); Tue, 1 Sep 2020 11:25:52 -0400 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D73F2206FA; Tue, 1 Sep 2020 15:25:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598973952; bh=HxNW5RGVPgIYUInpSpsSzhURUuvgXFNSdiNRVoEaT1g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JzKog/zJccaz1lm6JUwW3REBzajDPw/hOji1md2hEyxxco9qDYGkTjA0aRIMhr5Fm 1lEdQJRrRIKWkMt/iEcp8fd6SLWyH6SLN3HsNyuTpCiuyRGiTr5WLIapozRPI92Dgl hiZsYfYHDZececPRMqR/7ZoDJtvKa65t+usFQ0Hs= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Zhang Shengju , Tang Bin , Krzysztof Kozlowski Subject: [PATCH 4.19 113/125] usb: host: ohci-exynos: Fix error handling in exynos_ohci_probe() Date: Tue, 1 Sep 2020 17:11:08 +0200 Message-Id: <20200901150940.152548739@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200901150934.576210879@linuxfoundation.org> References: <20200901150934.576210879@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Tang Bin commit 1d4169834628d18b2392a2da92b7fbf5e8e2ce89 upstream. If the function platform_get_irq() failed, the negative value returned will not be detected here. So fix error handling in exynos_ohci_probe(). And when get irq failed, the function platform_get_irq() logs an error message, so remove redundant message here. Fixes: 62194244cf87 ("USB: Add Samsung Exynos OHCI diver") Signed-off-by: Zhang Shengju Cc: stable Signed-off-by: Tang Bin Reviewed-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20200826144931.1828-1-tangbin@cmss.chinamobile.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ohci-exynos.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) --- a/drivers/usb/host/ohci-exynos.c +++ b/drivers/usb/host/ohci-exynos.c @@ -156,9 +156,8 @@ static int exynos_ohci_probe(struct plat hcd->rsrc_len = resource_size(res); irq = platform_get_irq(pdev, 0); - if (!irq) { - dev_err(&pdev->dev, "Failed to get IRQ\n"); - err = -ENODEV; + if (irq < 0) { + err = irq; goto fail_io; }