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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 79447CA0EC3 for ; Mon, 11 Sep 2023 21:19:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343643AbjIKVMK (ORCPT ); Mon, 11 Sep 2023 17:12:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36910 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240384AbjIKOmy (ORCPT ); Mon, 11 Sep 2023 10:42:54 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 21E8012A for ; Mon, 11 Sep 2023 07:42:50 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6B1B9C433C7; Mon, 11 Sep 2023 14:42:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1694443369; bh=ghbZtLnlh0uoY5ys7LgPXPg/BJskO7R0ph06ehLwhQo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mz2kU/X2btWEpl4eQCk5WMNkobZd/6Jns/8k6gXqeBmexdg6x2IwylYTVXUDcPFuP husPcrmF++ryQRs+R+kB0Tzjn6mSI9auMZlmnsOA3kby+OfPcRgk4xV+6kKDPlWUaY H53lTICN821Ewo/r2rlm/Q36YhHC/h+YHas1vVrE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jiasheng Jiang , Laurent Pinchart , Tomi Valkeinen , Sasha Levin Subject: [PATCH 6.4 353/737] drm: xlnx: zynqmp_dpsub: Add missing check for dma_set_mask Date: Mon, 11 Sep 2023 15:43:32 +0200 Message-ID: <20230911134700.377603232@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230911134650.286315610@linuxfoundation.org> References: <20230911134650.286315610@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 6.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jiasheng Jiang [ Upstream commit 1832fba7f9780aff67c96ad30f397c2d76141833 ] Add check for dma_set_mask() and return the error if it fails. Fixes: d76271d22694 ("drm: xlnx: DRM/KMS driver for Xilinx ZynqMP DisplayPort Subsystem") Signed-off-by: Jiasheng Jiang Reviewed-by: Laurent Pinchart Reviewed-by: Tomi Valkeinen Signed-off-by: Laurent Pinchart Signed-off-by: Sasha Levin --- drivers/gpu/drm/xlnx/zynqmp_dpsub.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c index bab862484d429..068413be65275 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c +++ b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c @@ -227,7 +227,9 @@ static int zynqmp_dpsub_probe(struct platform_device *pdev) dpsub->dev = &pdev->dev; platform_set_drvdata(pdev, dpsub); - dma_set_mask(dpsub->dev, DMA_BIT_MASK(ZYNQMP_DISP_MAX_DMA_BIT)); + ret = dma_set_mask(dpsub->dev, DMA_BIT_MASK(ZYNQMP_DISP_MAX_DMA_BIT)); + if (ret) + return ret; /* Try the reserved memory. Proceed if there's none. */ of_reserved_mem_device_init(&pdev->dev); -- 2.40.1