From patchwork Fri Oct 18 17:12:07 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Gordeev X-Patchwork-Id: 284824 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id C5F962C00DC for ; Sat, 19 Oct 2013 17:19:40 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751877Ab3JSGTj (ORCPT ); Sat, 19 Oct 2013 02:19:39 -0400 Received: from 221-186-24-89.in-addr.arpa ([89.24.186.221]:11157 "EHLO dhcp-26-207.brq.redhat.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1750964Ab3JSGTi (ORCPT ); Sat, 19 Oct 2013 02:19:38 -0400 Received: from dhcp-26-207.brq.redhat.com (localhost [127.0.0.1]) by dhcp-26-207.brq.redhat.com (8.14.5/8.14.5) with ESMTP id r9IHDHFb004737; Fri, 18 Oct 2013 19:13:17 +0200 Received: (from agordeev@localhost) by dhcp-26-207.brq.redhat.com (8.14.5/8.14.5/Submit) id r9IHDGHI004736; Fri, 18 Oct 2013 19:13:16 +0200 From: Alexander Gordeev To: linux-kernel@vger.kernel.org Cc: Alexander Gordeev , Bjorn Helgaas , Michael Ellerman , Benjamin Herrenschmidt , Tejun Heo , Ben Hutchings , David Laight , Mark Lord , "H. Peter Anvin" , linux-pci@vger.kernel.org Subject: [PATCH RFC v2 07/29] PCI/MSI: Return -ENOSYS for unimplemented interfaces, not -1 Date: Fri, 18 Oct 2013 19:12:07 +0200 Message-Id: X-Mailer: git-send-email 1.7.7.6 In-Reply-To: References: Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Signed-off-by: Alexander Gordeev Suggested-by: Ben Hutchings --- include/linux/pci.h | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/include/linux/pci.h b/include/linux/pci.h index d3a888a..5cfe54c 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1148,13 +1148,13 @@ struct msix_entry { #ifndef CONFIG_PCI_MSI static inline int pci_enable_msi_block(struct pci_dev *dev, unsigned int nvec) { - return -1; + return -ENOSYS; } static inline int pci_enable_msi_block_auto(struct pci_dev *dev, unsigned int *maxvec) { - return -1; + return -ENOSYS; } static inline void pci_msi_shutdown(struct pci_dev *dev) @@ -1169,7 +1169,7 @@ static inline int pci_msix_table_size(struct pci_dev *dev) static inline int pci_enable_msix(struct pci_dev *dev, struct msix_entry *entries, int nvec) { - return -1; + return -ENOSYS; } static inline void pci_msix_shutdown(struct pci_dev *dev)