From patchwork Mon Jul 12 06:07:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 474563 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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, 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 A07DBC07E9C for ; Mon, 12 Jul 2021 06:20:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8DA6361183 for ; Mon, 12 Jul 2021 06:20:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234448AbhGLGXB (ORCPT ); Mon, 12 Jul 2021 02:23:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:40462 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234110AbhGLGVv (ORCPT ); Mon, 12 Jul 2021 02:21:51 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 88BFA610CD; Mon, 12 Jul 2021 06:18:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626070734; bh=74xzt05qMpxL9HP0JbjXN2a93+3P8I224lauiDtI4N4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SDCJZtfZpnsdzhUBkeyQbOknpEa6HoFiEZQSkVlsNbPlNkcW118FIJpLlbaUm6tLi SVYtYTg3BDSwpeYDw+XJ1afblYpYwhWP+0Vs0GMQV5+iUi5IyiFN0AngyiHYTxKm4m FjDtKETKuHVSMzPDFC1rLdyBvEytp9C7qnNt5VIg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Tian Tao , Mark Brown , Sasha Levin Subject: [PATCH 5.4 074/348] spi: omap-100k: Fix the length judgment problem Date: Mon, 12 Jul 2021 08:07:38 +0200 Message-Id: <20210712060711.755851547@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210712060659.886176320@linuxfoundation.org> References: <20210712060659.886176320@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 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 b8e201c09484..f64d030c760a 100644 --- a/drivers/spi/spi-omap-100k.c +++ b/drivers/spi/spi-omap-100k.c @@ -242,7 +242,7 @@ 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;