From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BCF627469 for ; Sun, 17 Sep 2023 20:22:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0E283C433C8; Sun, 17 Sep 2023 20:22:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1694982167; bh=I+k5n8m7NGd3mfSo+6Qh7w2JywNZ9GDrCkrq7X8KYUU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fJKxXHyyqcalhxQmVHZg70d5vA347ElEqI1UDDB06++ih3bTSNyOi6lu8ZypWAAbH +3xp855m6fVtlKs4EV6rWpuXhJz2UMNWVOmUBr+3VjmykFzudqJPVDnV+KgZgSZron 2V+n2GuTotjmkgiEVBZeQ9nx6Cl9YBQiCvpt7mWM= 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 5.15 172/511] drm: xlnx: zynqmp_dpsub: Add missing check for dma_set_mask Date: Sun, 17 Sep 2023 21:09:59 +0200 Message-ID: <20230917191117.989255085@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230917191113.831992765@linuxfoundation.org> References: <20230917191113.831992765@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-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 ac37053412a13..5bb42d0a2de98 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c +++ b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c @@ -200,7 +200,9 @@ 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