From patchwork Tue May 19 15:11:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lad Prabhakar X-Patchwork-Id: 1293514 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=bp.renesas.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49RK9G4BYDz9sSF for ; Wed, 20 May 2020 01:11:46 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728925AbgESPLo (ORCPT ); Tue, 19 May 2020 11:11:44 -0400 Received: from relmlor2.renesas.com ([210.160.252.172]:14524 "EHLO relmlie6.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728773AbgESPLo (ORCPT ); Tue, 19 May 2020 11:11:44 -0400 X-IronPort-AV: E=Sophos;i="5.73,410,1583161200"; d="scan'208";a="47275375" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.idc.renesas.com with ESMTP; 20 May 2020 00:11:43 +0900 Received: from localhost.localdomain (unknown [10.226.36.204]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 98954400516E; Wed, 20 May 2020 00:11:41 +0900 (JST) From: Lad Prabhakar To: Kishon Vijay Abraham I , Lorenzo Pieralisi , Bjorn Helgaas Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Lad Prabhakar Subject: [PATCH] PCI: endpoint: Fix epc windows allocation in pci_epc_multi_mem_init() Date: Tue, 19 May 2020 16:11:20 +0100 Message-Id: <1589901081-29948-1-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.7.4 Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Fix allocation of epc windows with the correct size, this also fix smatch warning: drivers/pci/endpoint/pci-epc-mem.c:65 pci_epc_multi_mem_init() warn: double check that we're allocating correct size: 4 vs 112 Fixes: ecbae87 ("PCI: endpoint: Add support to handle multiple base for mapping outbound memory") Signed-off-by: Lad Prabhakar Reported-by: kbuild test robot Reported-by: Dan Carpenter --- drivers/pci/endpoint/pci-epc-mem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/endpoint/pci-epc-mem.c b/drivers/pci/endpoint/pci-epc-mem.c index 2325f74..80c46f3 100644 --- a/drivers/pci/endpoint/pci-epc-mem.c +++ b/drivers/pci/endpoint/pci-epc-mem.c @@ -62,7 +62,7 @@ int pci_epc_multi_mem_init(struct pci_epc *epc, if (!windows || !num_windows) return -EINVAL; - epc->windows = kcalloc(num_windows, sizeof(*mem), GFP_KERNEL); + epc->windows = kcalloc(num_windows, sizeof(*epc->windows), GFP_KERNEL); if (!epc->windows) return -ENOMEM;