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,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 29690CA9EC6 for ; Wed, 30 Oct 2019 16:00:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E154920679 for ; Wed, 30 Oct 2019 16:00:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572451255; bh=MEbPA6Qcubxag4Ew2M//KXeX4cegr3py9JHVD7ZNsRI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=2GIz//XlHh7Lk1SDufgSgjxLCZ13HvJAJWoXwC+WiatLvMHyWBrENlKeU9Yvzj9k8 7k/DfCaez9B/tlq7g1kmIRBQ16uUPRvzMzjsqMW4FEbjZKGpf4HQG4ilHQcnX0zFm2 zu+qYGj8eOMoILfGntd1wYNtr4mbTOCTQOyjgRzM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728463AbfJ3Pyv (ORCPT ); Wed, 30 Oct 2019 11:54:51 -0400 Received: from mail.kernel.org ([198.145.29.99]:56098 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728398AbfJ3Pyh (ORCPT ); Wed, 30 Oct 2019 11:54:37 -0400 Received: from sasha-vm.mshome.net (100.50.158.77.rev.sfr.net [77.158.50.100]) (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 231102087E; Wed, 30 Oct 2019 15:54:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572450876; bh=MEbPA6Qcubxag4Ew2M//KXeX4cegr3py9JHVD7ZNsRI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=z/P4/aSpQPd90TyWRkdQztriyfD/1OJ9EW+j/rK+UOm04xQSeuurPQDnxPQetJ7i+ QrW0FKnt1T0TORQn2yMMi5MBtD2P0tjgSwhuo+in5d6nBLvNcdt/TzjqckS/dyeA7M 5n0UpCxTCeFClNneUuFtTmP73UXmh1cEAILUPYjc= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Dan Carpenter , Scott Branden , Linus Walleij , Sasha Levin , linux-gpio@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 12/38] pinctrl: ns2: Fix off by one bugs in ns2_pinmux_enable() Date: Wed, 30 Oct 2019 11:53:40 -0400 Message-Id: <20191030155406.10109-12-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191030155406.10109-1-sashal@kernel.org> References: <20191030155406.10109-1-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: 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 4b5cf0e0f16e2..951090faa6a91 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