From patchwork Mon Nov 27 15:49:52 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Niklas Cassel X-Patchwork-Id: 841735 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3ylrpr46kSz9sPk for ; Tue, 28 Nov 2017 02:50:12 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752369AbdK0PuJ (ORCPT ); Mon, 27 Nov 2017 10:50:09 -0500 Received: from bastet.se.axis.com ([195.60.68.11]:40315 "EHLO bastet.se.axis.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752550AbdK0PuH (ORCPT ); Mon, 27 Nov 2017 10:50:07 -0500 Received: from localhost (localhost [127.0.0.1]) by bastet.se.axis.com (Postfix) with ESMTP id 98E0618324; Mon, 27 Nov 2017 16:50:06 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at bastet.se.axis.com Received: from bastet.se.axis.com ([IPv6:::ffff:127.0.0.1]) by localhost (bastet.se.axis.com [::ffff:127.0.0.1]) (amavisd-new, port 10024) with LMTP id 6LKgrJSmUQOo; Mon, 27 Nov 2017 16:50:05 +0100 (CET) Received: from boulder02.se.axis.com (boulder02.se.axis.com [10.0.8.16]) by bastet.se.axis.com (Postfix) with ESMTPS id AC4C51831D; Mon, 27 Nov 2017 16:50:04 +0100 (CET) Received: from boulder02.se.axis.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 63BFD1A075; Mon, 27 Nov 2017 16:50:04 +0100 (CET) Received: from boulder02.se.axis.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 58CCC1A063; Mon, 27 Nov 2017 16:50:04 +0100 (CET) Received: from seth.se.axis.com (unknown [10.0.2.172]) by boulder02.se.axis.com (Postfix) with ESMTP; Mon, 27 Nov 2017 16:50:04 +0100 (CET) Received: from lnxartpec1.se.axis.com (lnxartpec1.se.axis.com [10.88.4.10]) by seth.se.axis.com (Postfix) with ESMTP id 4D34830CC; Mon, 27 Nov 2017 16:50:04 +0100 (CET) Received: by lnxartpec1.se.axis.com (Postfix, from userid 20283) id 4722040102; Mon, 27 Nov 2017 16:50:04 +0100 (CET) From: Niklas Cassel To: linux-pci@vger.kernel.org Cc: kishon@ti.com, Niklas Cassel , linux-kernel@vger.kernel.org Subject: [PATCH v3 0/3] Fix find_first_zero_bit() usage Date: Mon, 27 Nov 2017 16:49:52 +0100 Message-Id: <20171127154955.22214-1-niklas.cassel@axis.com> X-Mailer: git-send-email 2.14.2 X-TM-AS-GCONF: 00 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org find_first_zero_bit()'s parameter 'size' is defined in bits, not in bytes. Calling find_first_zero_bit() with the wrong size unit will lead to insidious bugs. Fix all uses of find_first_zero_bit() called with sizeof() as size argument in drivers/pci. Also had to fix broken error handling in pci_epc_epf_link() in order to do proper error handling for find_first_zero_bit(). Niklas Cassel (3): PCI: designware-ep: Fix find_first_zero_bit() usage PCI: endpoint: Fix error handling in pci_epc_epf_link() PCI: endpoint: Fix find_first_zero_bit() usage drivers/pci/dwc/pcie-designware-ep.c | 22 ++++++++++++++-------- drivers/pci/dwc/pcie-designware.h | 7 +++++-- drivers/pci/endpoint/pci-ep-cfs.c | 14 +++++++++----- 3 files changed, 28 insertions(+), 15 deletions(-)