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=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 B471AFA372C for ; Fri, 8 Nov 2019 19:14:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7CAF4206C3 for ; Fri, 8 Nov 2019 19:14:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573240467; bh=Sab2lu3lsOYA2LODitlLuvKjU5crS02ruw/fNrVJLaY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=S1qDOzBvRZkzRZ93rcMGv+SYhvBofHAVmBlfmkYuzrfmJlrM2NFT6ufVLxl9tfqAS q+NEmP7mlJTrZxmSR/6TR0E0TUzuSNj9cadyTC5qlcpuiezAKT38fGMx12lXWFm8ka /6ofAK/nOQh5fwOYOjosH+EkNizvCj9UiD5iJuHU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390464AbfKHTGl (ORCPT ); Fri, 8 Nov 2019 14:06:41 -0500 Received: from mail.kernel.org ([198.145.29.99]:37216 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391309AbfKHTGk (ORCPT ); Fri, 8 Nov 2019 14:06:40 -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 7C5D1222C5; Fri, 8 Nov 2019 19:06:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573240000; bh=Sab2lu3lsOYA2LODitlLuvKjU5crS02ruw/fNrVJLaY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=urb0OyU36KJohjcuB7WVLwH+ojEmRePzbkQQbGqwxTkLS4MPFrHncY9eItCh6Cb/3 eGliWx71Kgv0PzRWwlRMM7ErYz0Ehhb+AWFqMQ8mRW6dWnyy5hfxS0OV5dOI3CR50d z9FsaGeuFfZ93/Hawc5SgDud57SW+7j+2ewGmo8k= 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 5.3 027/140] pinctrl: ns2: Fix off by one bugs in ns2_pinmux_enable() Date: Fri, 8 Nov 2019 19:49:15 +0100 Message-Id: <20191108174905.121225494@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191108174900.189064908@linuxfoundation.org> References: <20191108174900.189064908@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@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 2bf6af7df7d94..9fabc451550ea 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