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=-9.8 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=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 D5162C388F7 for ; Mon, 9 Nov 2020 13:40:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 996FE206B2 for ; Mon, 9 Nov 2020 13:40:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604929238; bh=XgqivWphlhBxKy56iG2H0agN9XDtO3Gpwbhw7LIjMNY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=wHiScrgJ4rEkwLgYV1S5m3WsbrdJuLXPciE40LKXOl7n3G2IM3Dvp88ueMY6pex2K nhrOE2pfeCXdVxVAzW69x1+LcEi6q1gWFEqOHU6yRqQienG5py8NHX7gYX8/TcMzUo e7GQ/oYM4IfOIws+R1rRYnyCuL1l4vmNh1RXD3N0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387995AbgKINkA (ORCPT ); Mon, 9 Nov 2020 08:40:00 -0500 Received: from mail.kernel.org ([198.145.29.99]:56284 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730655AbgKINCk (ORCPT ); Mon, 9 Nov 2020 08:02:40 -0500 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 F3BD0216C4; Mon, 9 Nov 2020 13:02:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604926956; bh=XgqivWphlhBxKy56iG2H0agN9XDtO3Gpwbhw7LIjMNY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IvCuVw0twRRERZd3gQ7AuNnbcPBCr7fgYSsBeq5tJPqwdd4pWyhdsYyGYrN3no0w7 aRygnNeIh3/8GkzAS8pNonndshhQ+sVP1P2ORRYQINtwwrRwu1zjTIThD0+OquYUPf s9TysVRl/CO8mjOvpgwaG1Qr3hPfCkDDXE1GVmxs= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Peter Chen , Ran Wang Subject: [PATCH 4.9 062/117] usb: host: fsl-mph-dr-of: check return of dma_set_mask() Date: Mon, 9 Nov 2020 13:54:48 +0100 Message-Id: <20201109125028.607536410@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201109125025.630721781@linuxfoundation.org> References: <20201109125025.630721781@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ran Wang commit 3cd54a618834430a26a648d880dd83d740f2ae30 upstream. fsl_usb2_device_register() should stop init if dma_set_mask() return error. Fixes: cae058610465 ("drivers/usb/host: fsl: Set DMA_MASK of usb platform device") Reviewed-by: Peter Chen Signed-off-by: Ran Wang Link: https://lore.kernel.org/r/20201010060308.33693-1-ran.wang_1@nxp.com Cc: stable Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/fsl-mph-dr-of.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) --- a/drivers/usb/host/fsl-mph-dr-of.c +++ b/drivers/usb/host/fsl-mph-dr-of.c @@ -98,10 +98,13 @@ static struct platform_device *fsl_usb2_ pdev->dev.coherent_dma_mask = ofdev->dev.coherent_dma_mask; - if (!pdev->dev.dma_mask) + if (!pdev->dev.dma_mask) { pdev->dev.dma_mask = &ofdev->dev.coherent_dma_mask; - else - dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); + } else { + retval = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); + if (retval) + goto error; + } retval = platform_device_add_data(pdev, pdata, sizeof(*pdata)); if (retval)