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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 9977DC43603 for ; Tue, 10 Dec 2019 21:39:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6368120637 for ; Tue, 10 Dec 2019 21:39:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576013942; bh=UsFge4YEgym3cSiL3TRhR/2HajMfTQjerqMq7R8bwDs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ji3q+nEEXD4rXcLcmCmeo3NoGa+RTcXCtAScXrWg559+GXZo/LLmD7aLCnaxtgfTt R2g/8ncZ5PRsbcXj0Bo4TouP8BQe70HKW4FMSbejnJ476eV7l+30ho87IvC7qT4Uix 2pNVbDyvc7fD+7TFkc/Oe6LDc7t3I+mmTV9Mnf54= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730209AbfLJVjA (ORCPT ); Tue, 10 Dec 2019 16:39:00 -0500 Received: from mail.kernel.org ([198.145.29.99]:40698 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727391AbfLJVfH (ORCPT ); Tue, 10 Dec 2019 16:35:07 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 406FD205C9; Tue, 10 Dec 2019 21:35:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576013707; bh=UsFge4YEgym3cSiL3TRhR/2HajMfTQjerqMq7R8bwDs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NToVKoEaKIhFlgNpND6MqWWUlDLWR88hV3/5DMuT+vJXfA7s5EElBNqn5Ce7WUNFf fvfEmWz7UNRnlC/EMbL1h0ShYQmwfLsBYS4tnXPI+9ITf1ETG1YwUxMC7Too348ike OpCyvVb8+Rem7qteKy7lJrwM5LSsttzLlJUu+uyw= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Chuhong Yuan , Mark Brown , Sasha Levin , linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 135/177] spi: pxa2xx: Add missed security checks Date: Tue, 10 Dec 2019 16:31:39 -0500 Message-Id: <20191210213221.11921-135-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191210213221.11921-1-sashal@kernel.org> References: <20191210213221.11921-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chuhong Yuan [ Upstream commit 5eb263ef08b5014cfc2539a838f39d2fd3531423 ] pxa2xx_spi_init_pdata misses checks for devm_clk_get and platform_get_irq. Add checks for them to fix the bugs. Since ssp->clk and ssp->irq are used in probe, they are mandatory here. So we cannot use _optional() for devm_clk_get and platform_get_irq. Signed-off-by: Chuhong Yuan Link: https://lore.kernel.org/r/20191109080943.30428-1-hslester96@gmail.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/spi/spi-pxa2xx.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index f41333817c501..525388126e260 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -1470,7 +1470,13 @@ pxa2xx_spi_init_pdata(struct platform_device *pdev) } ssp->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(ssp->clk)) + return NULL; + ssp->irq = platform_get_irq(pdev, 0); + if (ssp->irq < 0) + return NULL; + ssp->type = type; ssp->pdev = pdev; ssp->port_id = pxa2xx_spi_get_port_id(adev); -- 2.20.1