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 1DF18CCA47E for ; Tue, 7 Jun 2022 17:38:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346826AbiFGRid (ORCPT ); Tue, 7 Jun 2022 13:38:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53294 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347259AbiFGReW (ORCPT ); Tue, 7 Jun 2022 13:34:22 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6C4C611990E; Tue, 7 Jun 2022 10:30:34 -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 dfw.source.kernel.org (Postfix) with ESMTPS id 8C2B361529; Tue, 7 Jun 2022 17:30:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 970BCC385A5; Tue, 7 Jun 2022 17:30:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1654623011; bh=hzmh5xx+LcFfdBOwF9UjRFodRuc2GeEb4Zhds6M05Yo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VBMrSQL/1YnXKZwJy/DW6lw+O6m/ekJTq2FEGbxQZaTMUTG9SdbREPZ45AJiQhq2D U7taDg/8/m7EHEuX2ac5lV1K/mHcKYGjpNMwu+yPvjvtTu2LfkfpR9Im7mGXXsZ/tK M5Lm+hjn1ezeIZjlK8e2w5g3TKXSyUlXQq7JLio8= 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 5.10 263/452] PCI: cadence: Fix find_first_zero_bit() limit Date: Tue, 7 Jun 2022 19:02:00 +0200 Message-Id: <20220607164916.389779494@linuxfoundation.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220607164908.521895282@linuxfoundation.org> References: <20220607164908.521895282@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: 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 1af14474abcf..4c5e6349d78c 100644 --- a/drivers/pci/controller/cadence/pcie-cadence-ep.c +++ b/drivers/pci/controller/cadence/pcie-cadence-ep.c @@ -154,8 +154,7 @@ static int cdns_pcie_ep_map_addr(struct pci_epc *epc, u8 fn, phys_addr_t addr, 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