From patchwork Sat Jan 2 17:58:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adam Lackorzynski X-Patchwork-Id: 356010 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, 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 79601C433DB for ; Sat, 2 Jan 2021 18:20:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3A724207CD for ; Sat, 2 Jan 2021 18:20:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726636AbhABSUn (ORCPT ); Sat, 2 Jan 2021 13:20:43 -0500 Received: from os.inf.tu-dresden.de ([141.76.48.99]:44694 "EHLO os.inf.tu-dresden.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726617AbhABSUn (ORCPT ); Sat, 2 Jan 2021 13:20:43 -0500 Received: from erwin.inf.tu-dresden.de ([141.76.48.80] helo=l4re.org) by os.inf.tu-dresden.de with esmtp (Exim 4.94) id 1kvlBA-0007bz-Dx; Sat, 02 Jan 2021 18:59:04 +0100 From: Adam Lackorzynski To: maz@kernel.org, tglx@linutronix.de Cc: linux-arm-kernel@lists.infradead.org, linusw@kernel.org, kaloz@openwrt.org, khalasa@piap.pl, andrew@lunn.ch, gregory.clement@bootlin.com, sebastian.hesselbarth@gmail.com, linux-gpio@vger.kernel.org, bgolaszewski@baylibre.com Subject: [PATCH 3/6] irqdomain/msi: Fix return check of __irq_domain_alloc_irqs Date: Sat, 2 Jan 2021 18:58:56 +0100 Message-Id: <20210102175859.335447-3-adam@l4re.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210102175859.335447-1-adam@l4re.org> References: <20210102175859.335447-1-adam@l4re.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org 0 is not a proper IRQ number and also indicates failure. Signed-off-by: Adam Lackorzynski --- kernel/irq/msi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c index 2c0c4d6d0f83..e1fe832e7161 100644 --- a/kernel/irq/msi.c +++ b/kernel/irq/msi.c @@ -416,7 +416,7 @@ int __msi_domain_alloc_irqs(struct irq_domain *domain, struct device *dev, virq = __irq_domain_alloc_irqs(domain, -1, desc->nvec_used, dev_to_node(dev), &arg, false, desc->affinity); - if (virq < 0) { + if (virq <= 0) { ret = -ENOSPC; if (ops->handle_error) ret = ops->handle_error(domain, desc, ret);