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=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 44C5FC64E69 for ; Tue, 17 Nov 2020 13:42:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DB753206A5 for ; Tue, 17 Nov 2020 13:42:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="LY+NKXQ1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731695AbgKQNmL (ORCPT ); Tue, 17 Nov 2020 08:42:11 -0500 Received: from mail.kernel.org ([198.145.29.99]:54558 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733292AbgKQNmF (ORCPT ); Tue, 17 Nov 2020 08:42:05 -0500 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (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 1DD6B206A5; Tue, 17 Nov 2020 13:42:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605620524; bh=69KL8wVs4W0GqzEaSxcpLeSztfxQ7vyJpa/xfYTFQG8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LY+NKXQ1ZJH9zF3ORRFIwg0xADgAD5mWRx7yYTFyW1eAkR9YNn+XdqodKPDwdbNmZ NmFCu4yVJ9BBMwNm0J6VWQ9hX8qmC8Bp0s2cYU5OJXQ19CDEhY7U79mr/fcYgEWmja AbK+KudRbR03JcFegM7b651IA72/a0dcq1v+UF4A= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Damien Le Moal , Linus Walleij Subject: [PATCH 5.9 221/255] gpio: sifive: Fix SiFive gpio probe Date: Tue, 17 Nov 2020 14:06:01 +0100 Message-Id: <20201117122149.692446257@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201117122138.925150709@linuxfoundation.org> References: <20201117122138.925150709@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: stable@vger.kernel.org From: Damien Le Moal commit b72de3ff19fdc4bbe4d4bb3f4483c7e46e00bac3 upstream. Fix the check on the number of IRQs to allow up to the maximum (32) instead of only the maximum minus one. Fixes: 96868dce644d ("gpio/sifive: Add GPIO driver for SiFive SoCs") Cc: stable@vger.kernel.org Signed-off-by: Damien Le Moal Link: https://lore.kernel.org/r/20201107081420.60325-10-damien.lemoal@wdc.com Signed-off-by: Linus Walleij Signed-off-by: Greg Kroah-Hartman --- drivers/gpio/gpio-sifive.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpio/gpio-sifive.c +++ b/drivers/gpio/gpio-sifive.c @@ -183,7 +183,7 @@ static int sifive_gpio_probe(struct plat return PTR_ERR(chip->regs); ngpio = of_irq_count(node); - if (ngpio >= SIFIVE_GPIO_MAX) { + if (ngpio > SIFIVE_GPIO_MAX) { dev_err(dev, "Too many GPIO interrupts (max=%d)\n", SIFIVE_GPIO_MAX); return -ENXIO;