From patchwork Fri Jan 11 15:37:05 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sergei Miroshnichenko X-Patchwork-Id: 10758307 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EB775188E for ; Fri, 11 Jan 2019 15:44:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DB2852848B for ; Fri, 11 Jan 2019 15:44:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D9A19285A9; Fri, 11 Jan 2019 15:44:00 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 91A22285C3 for ; Fri, 11 Jan 2019 15:44:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731948AbfAKPn7 (ORCPT ); Fri, 11 Jan 2019 10:43:59 -0500 Received: from mta-01.yadro.com ([89.207.88.251]:40076 "EHLO mta-01.yadro.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731975AbfAKPn4 (ORCPT ); Fri, 11 Jan 2019 10:43:56 -0500 Received: from localhost (unknown [127.0.0.1]) by mta-01.yadro.com (Postfix) with ESMTP id 104FE419C0 for ; Fri, 11 Jan 2019 15:37:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=yadro.com; h= content-type:content-type:content-transfer-encoding:mime-version :references:in-reply-to:x-mailer:message-id:date:date:subject :subject:from:from:received:received:received; s=mta-01; t= 1547221051; x=1549035452; bh=yWOP/t3o7W/g1Yw9tCQ66cBeDXlxqnPxkpk ug1M0fOw=; b=mRSZIornQhiaww3uZg4mUgrHznq7CQ4mWU23iNSvCuQv1IDC7Ng SRKcI8q1iTJWJtauqGt/IMDIzdXm0PUp220tmrPkJ3wI7m9+4KT75RaS2FEGTM6g KsvtkF/2sZMjTvXad3ebWxWYr3Vt1Td+rnk10V9nCV45cdgpFncsDAtg= X-Virus-Scanned: amavisd-new at yadro.com Received: from mta-01.yadro.com ([127.0.0.1]) by localhost (mta-01.yadro.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id JDZpZODN1qMv for ; Fri, 11 Jan 2019 18:37:31 +0300 (MSK) Received: from T-EXCH-02.corp.yadro.com (t-exch-02.corp.yadro.com [172.17.10.102]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id 52E04419C2 for ; Fri, 11 Jan 2019 18:37:25 +0300 (MSK) Received: from NB-148.yadro.com (172.17.15.60) by T-EXCH-02.corp.yadro.com (172.17.10.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Fri, 11 Jan 2019 18:37:24 +0300 From: Sergey Miroshnichenko To: CC: , Sergey Miroshnichenko Subject: [PATCH RFC v2 19/21] powerpc/pci: Fix crash with enabled movable BARs Date: Fri, 11 Jan 2019 18:37:05 +0300 Message-ID: <20190111153707.10140-20-s.miroshnichenko@yadro.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190111153707.10140-1-s.miroshnichenko@yadro.com> References: <20190111153707.10140-1-s.miroshnichenko@yadro.com> MIME-Version: 1.0 X-Originating-IP: [172.17.15.60] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-02.corp.yadro.com (172.17.10.102) Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Check a resource for the UNSET flags. Signed-off-by: Sergey Miroshnichenko --- arch/powerpc/platforms/powernv/pci-ioda.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 1d6406a051f1..6706dac69ee6 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -3037,7 +3037,8 @@ static void pnv_ioda_setup_pe_res(struct pnv_ioda_pe *pe, int index; int64_t rc; - if (!res || !res->flags || res->start > res->end) + if (!res || !res->flags || res->start > res->end || + (res->flags & IORESOURCE_UNSET)) return; if (res->flags & IORESOURCE_IO) {