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=-20.2 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, USER_AGENT_GIT autolearn=unavailable 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 1D920C07E95 for ; Mon, 19 Jul 2021 14:57:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 098D861003 for ; Mon, 19 Jul 2021 14:57:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241669AbhGSOQo (ORCPT ); Mon, 19 Jul 2021 10:16:44 -0400 Received: from mail.kernel.org ([198.145.29.99]:48844 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241656AbhGSOQ3 (ORCPT ); Mon, 19 Jul 2021 10:16:29 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 2EA8A61002; Mon, 19 Jul 2021 14:57:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626706628; bh=GKouUk8aDWduzqzmTINVVQTIzZrxjfxi9+MXQT7MVCY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xpHUk2ntm+SRkas0hMGHw1MftRj2HrA0fETzFLoDr+e+gbM38xkVchcf91q/2C896 KuSS+JuHgnhlKYGwpDk9JIArtRzfSaDiBPPlmzTvMRcH3trKcC5oaegQRqNyXMmW5U rT9LKmslAgLVnQJ0VoEsXfJQlrwGJ2So2r7Xui4c= 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 4.4 028/188] spi: omap-100k: Fix the length judgment problem Date: Mon, 19 Jul 2021 16:50:12 +0200 Message-Id: <20210719144919.624099889@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210719144913.076563739@linuxfoundation.org> References: <20210719144913.076563739@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 1eccdc4a4581..2eeb0fe2eed2 100644 --- a/drivers/spi/spi-omap-100k.c +++ b/drivers/spi/spi-omap-100k.c @@ -251,7 +251,7 @@ 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