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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 3502AFA372C for ; Fri, 8 Nov 2019 19:19:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 027BC20674 for ; Fri, 8 Nov 2019 19:19:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573240750; bh=sIPwQ4u7Z3vSg97f/aUb5xfgPihDNGLx3nfdTiQaRpU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=snolMu0ztQVGT4mClkv68tUPxKsYeuPTYsA68OZSe4wfOY/kJ9ZTIrYK9NUgvnnFp YGIhW3cLjNLdSTRt4RdD4yQeYdms/+KpkuZMGd+T52ZYxBCTBCRevgOfcxrO/H9L4l GnK3PbUz900ILAS7wcq4fQ7Oa989dsgnDoVy4s7Q= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389947AbfKHTTI (ORCPT ); Fri, 8 Nov 2019 14:19:08 -0500 Received: from mail.kernel.org ([198.145.29.99]:57256 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389514AbfKHTAM (ORCPT ); Fri, 8 Nov 2019 14:00:12 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9EACC222C4; Fri, 8 Nov 2019 18:57:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573239447; bh=sIPwQ4u7Z3vSg97f/aUb5xfgPihDNGLx3nfdTiQaRpU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nlKirObhWTKSfweURuNveFDvq+1z+cP4Wykzq45pxQmcAtV+8khjiC3PXrdJE6Pup 0BaRDL9OTkUcMPxwkqLG++GmgO9JZUDyXsXZm1u8+xj+TQYNE87CZGLK7XjTlP//OY BMzKgzlJQzsDhSYMZyMHLzXvLijL29RSa+NBSenM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dan Carpenter , Scott Branden , Linus Walleij , Sasha Levin Subject: [PATCH 4.9 06/34] pinctrl: ns2: Fix off by one bugs in ns2_pinmux_enable() Date: Fri, 8 Nov 2019 19:50:13 +0100 Message-Id: <20191108174627.598993760@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191108174618.266472504@linuxfoundation.org> References: <20191108174618.266472504@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dan Carpenter [ Upstream commit 39b65fbb813089e366b376bd8acc300b6fd646dc ] The pinctrl->functions[] array has pinctrl->num_functions elements and the pinctrl->groups[] array is the same way. These are set in ns2_pinmux_probe(). So the > comparisons should be >= so that we don't read one element beyond the end of the array. Fixes: b5aa1006e4a9 ("pinctrl: ns2: add pinmux driver support for Broadcom NS2 SoC") Signed-off-by: Dan Carpenter Link: https://lore.kernel.org/r/20190926081426.GB2332@mwanda Acked-by: Scott Branden Signed-off-by: Linus Walleij Signed-off-by: Sasha Levin --- drivers/pinctrl/bcm/pinctrl-ns2-mux.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/bcm/pinctrl-ns2-mux.c b/drivers/pinctrl/bcm/pinctrl-ns2-mux.c index 13a4c27741572..6adfb379ac7e6 100644 --- a/drivers/pinctrl/bcm/pinctrl-ns2-mux.c +++ b/drivers/pinctrl/bcm/pinctrl-ns2-mux.c @@ -640,8 +640,8 @@ static int ns2_pinmux_enable(struct pinctrl_dev *pctrl_dev, const struct ns2_pin_function *func; const struct ns2_pin_group *grp; - if (grp_select > pinctrl->num_groups || - func_select > pinctrl->num_functions) + if (grp_select >= pinctrl->num_groups || + func_select >= pinctrl->num_functions) return -EINVAL; func = &pinctrl->functions[func_select]; -- 2.20.1