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=-20.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 D88A3C11F6E for ; Sun, 4 Jul 2021 23:04:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BA1976192B for ; Sun, 4 Jul 2021 23:04:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230121AbhGDXHW (ORCPT ); Sun, 4 Jul 2021 19:07:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:45464 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230101AbhGDXHU (ORCPT ); Sun, 4 Jul 2021 19:07:20 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5A782611ED; Sun, 4 Jul 2021 23:04:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1625439885; bh=56Oq7wqAYVvLyK3t7Eltf5zrlTCVibdj8RYSjRLBd5I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kffJuk60K0QwQuH+H4dOtfKAl02Kuad3yxJxdyHaKpWBmeiFyijQgW0PT+TSwleMM PNocowqUtpdaTGj2q6JouuhZR+w4z+I0oev+E/zShXmYa4G4qCWlkbmIaN2jkteCCu MhswX37akox10imrIOn5V9knm0rSCommJiN2qBEuxmw2LKF/oEGgRiZrPmZSP+9bkC LJlvmAD6ChvlCl17KO9F3S3mFSigH0ruUV1eATRYrHkpKORk2FtphxBeMS7EsGK42p 55dtRrO1ahKp8ouJ1BZFtGSvJ9xiguq3XvAoyMpK3FB32BrqKhW5Riytg7RhZuhFDW VFp47FSu3KLbA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Tian Tao , Mark Brown , Sasha Levin , linux-spi@vger.kernel.org Subject: [PATCH AUTOSEL 5.13 18/85] spi: omap-100k: Fix the length judgment problem Date: Sun, 4 Jul 2021 19:03:13 -0400 Message-Id: <20210704230420.1488358-18-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210704230420.1488358-1-sashal@kernel.org> References: <20210704230420.1488358-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Tian Tao [ Upstream commit e7a1a3abea373e41ba7dfe0fbc93cb79b6a3a529 ] word_len should be checked in the omap1_spi100k_setup_transfer function to see if it exceeds 32. Signed-off-by: Tian Tao Link: https://lore.kernel.org/r/1619695248-39045-1-git-send-email-tiantao6@hisilicon.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/spi/spi-omap-100k.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi-omap-100k.c b/drivers/spi/spi-omap-100k.c index 7062f2902253..f104470605b3 100644 --- a/drivers/spi/spi-omap-100k.c +++ b/drivers/spi/spi-omap-100k.c @@ -241,7 +241,7 @@ static int omap1_spi100k_setup_transfer(struct spi_device *spi, else word_len = spi->bits_per_word; - if (spi->bits_per_word > 32) + if (word_len > 32) return -EINVAL; cs->word_len = word_len; -- 2.30.2