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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4551CCCA485 for ; Wed, 8 Jun 2022 00:58:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1442818AbiFHA5G (ORCPT ); Tue, 7 Jun 2022 20:57:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38150 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1383122AbiFGVwT (ORCPT ); Tue, 7 Jun 2022 17:52:19 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1EF3C2428CA; Tue, 7 Jun 2022 12:10:33 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 4611CB82182; Tue, 7 Jun 2022 19:10:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A3AD1C385A5; Tue, 7 Jun 2022 19:10:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1654629031; bh=qXt8HYzvC389/LYL+hw9trysoaLCoG40Dj9ZAx+tflY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gMWtfw5BfygyZCU6xY/yA/trrls5N8ENxd2jkX8y0C3NatWW67gyCujUg3QS2yvJH Mzh041MAZip4r101TbTO1DfW3nyY/vYb85v6onysbs7yEROJBocSBAz+hNz1zlIueO Ly8FJvWyqWCC3/idUA1knZyTs6buRC6sMhx21P4s= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dan Carpenter , Lorenzo Pieralisi , Sasha Levin Subject: [PATCH 5.18 542/879] PCI: cadence: Fix find_first_zero_bit() limit Date: Tue, 7 Jun 2022 19:01:00 +0200 Message-Id: <20220607165018.603099483@linuxfoundation.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220607165002.659942637@linuxfoundation.org> References: <20220607165002.659942637@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: Dan Carpenter [ Upstream commit 0aa3a0937feeb91a0e4e438c3c063b749b194192 ] The ep->ob_region_map bitmap is a long and it has BITS_PER_LONG bits. Link: https://lore.kernel.org/r/20220315065829.GA13572@kili Fixes: 37dddf14f1ae ("PCI: cadence: Add EndPoint Controller driver for Cadence PCIe controller") Signed-off-by: Dan Carpenter Signed-off-by: Lorenzo Pieralisi Signed-off-by: Sasha Levin --- drivers/pci/controller/cadence/pcie-cadence-ep.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/pci/controller/cadence/pcie-cadence-ep.c b/drivers/pci/controller/cadence/pcie-cadence-ep.c index 4b1c4bc4e003..b8b655d4047e 100644 --- a/drivers/pci/controller/cadence/pcie-cadence-ep.c +++ b/drivers/pci/controller/cadence/pcie-cadence-ep.c @@ -187,8 +187,7 @@ static int cdns_pcie_ep_map_addr(struct pci_epc *epc, u8 fn, u8 vfn, struct cdns_pcie *pcie = &ep->pcie; u32 r; - r = find_first_zero_bit(&ep->ob_region_map, - sizeof(ep->ob_region_map) * BITS_PER_LONG); + r = find_first_zero_bit(&ep->ob_region_map, BITS_PER_LONG); if (r >= ep->max_regions - 1) { dev_err(&epc->dev, "no free outbound region\n"); return -EINVAL; -- 2.35.1