From patchwork Thu Oct 24 17:12:18 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sergei Miroshnichenko X-Patchwork-Id: 1183343 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=yadro.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=yadro.com header.i=@yadro.com header.b="kYuLNvLm"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46zYj449mCz9sPv for ; Fri, 25 Oct 2019 04:12:56 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2439947AbfJXRMy (ORCPT ); Thu, 24 Oct 2019 13:12:54 -0400 Received: from mta-02.yadro.com ([89.207.88.252]:48808 "EHLO mta-01.yadro.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2436722AbfJXRMy (ORCPT ); Thu, 24 Oct 2019 13:12:54 -0400 Received: from localhost (unknown [127.0.0.1]) by mta-01.yadro.com (Postfix) with ESMTP id BE83242F15; Thu, 24 Oct 2019 17:12:52 +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= 1571937171; x=1573751572; bh=VeNEpSnuUTk4BsWDwgPyj1n8sam11FoBZBf qWyZyWDk=; b=kYuLNvLmsjlwggN/VzO9PtQCcYOkqXsEtlCLCmVd8AbPb+HYTNe bZSZCyhCfhVqYyi5A8KFRRY01x7U1BT7pvwctNx3Ts8N7pGYK6IQF2RtXMcbNR2S P7jFw1LDe1qBnVg6HlPGXRW4LGn8Jr0C5MplSEG4sXqmsMVFmJfLXs8c= 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 rC45o4Nt2fYf; Thu, 24 Oct 2019 20:12:51 +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 62A0343E03; Thu, 24 Oct 2019 20:12:43 +0300 (MSK) Received: from NB-148.yadro.com (172.17.15.136) 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; Thu, 24 Oct 2019 20:12:42 +0300 From: Sergey Miroshnichenko To: , CC: Bjorn Helgaas , , Sergey Miroshnichenko , Alexey Kardashevskiy , Oliver O'Halloran , Sam Bobroff Subject: [PATCH v6 20/30] powerpc/pci: Fix crash with enabled movable BARs Date: Thu, 24 Oct 2019 20:12:18 +0300 Message-ID: <20191024171228.877974-21-s.miroshnichenko@yadro.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191024171228.877974-1-s.miroshnichenko@yadro.com> References: <20191024171228.877974-1-s.miroshnichenko@yadro.com> MIME-Version: 1.0 X-Originating-IP: [172.17.15.136] 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 Add a check for the UNSET resource flag to skip the released BARs CC: Alexey Kardashevskiy CC: Oliver O'Halloran CC: Sam Bobroff 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 c28d0d9b7ee0..33d5ed8c258f 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -2976,7 +2976,8 @@ 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) {