From patchwork Tue Jan 5 21:15:37 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kani, Toshi" X-Patchwork-Id: 7963481 Return-Path: X-Original-To: patchwork-linux-acpi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 0B517BEEE5 for ; Tue, 5 Jan 2016 21:16:53 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 129FB20204 for ; Tue, 5 Jan 2016 21:16:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1910B20219 for ; Tue, 5 Jan 2016 21:16:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753972AbcAEVQq (ORCPT ); Tue, 5 Jan 2016 16:16:46 -0500 Received: from g2t1383g.austin.hp.com ([15.217.136.92]:17049 "EHLO g2t1383g.austin.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751947AbcAEVQ3 (ORCPT ); Tue, 5 Jan 2016 16:16:29 -0500 Received: from g2t2355.austin.hp.com (g2t2355.austin.hp.com [15.217.128.54]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by g2t1383g.austin.hp.com (Postfix) with ESMTPS id 78830217; Tue, 5 Jan 2016 21:16:28 +0000 (UTC) Received: from g2t2360.austin.hp.com (g2t2360.austin.hp.com [16.197.8.247]) by g2t2355.austin.hp.com (Postfix) with ESMTP id 4AD7F4B; Tue, 5 Jan 2016 21:16:21 +0000 (UTC) Received: from misato.fc.hp.com (misato.fc.hp.com [16.78.168.61]) by g2t2360.austin.hp.com (Postfix) with ESMTP id DB7D839; Tue, 5 Jan 2016 21:16:19 +0000 (UTC) From: Toshi Kani To: akpm@linux-foundation.org, bp@alien8.de Cc: linux-arch@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Matt Porter , Alexandre Bounine , linux-acpi@vger.kernel.org, linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, Toshi Kani Subject: [PATCH v3 UPDATE 09/17] drivers: Initialize resource entry to zero Date: Tue, 5 Jan 2016 14:15:37 -0700 Message-Id: <1452028537-27365-1-git-send-email-toshi.kani@hpe.com> X-Mailer: git-send-email 2.4.3 Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP I/O resource descriptor, 'desc' in struct resource, needs to be initialized to zero by default. Some drivers call kmalloc() to allocate a resource entry, but does not initialize it to zero by memset(). Change these drivers to call kzalloc(), instead. Cc: Matt Porter Cc: Alexandre Bounine Cc: linux-acpi@vger.kernel.org Cc: linux-parisc@vger.kernel.org Cc: linux-sh@vger.kernel.org Acked-by: Simon Horman # sh Acked-by: Helge Deller # parisc Signed-off-by: Toshi Kani Acked-by: Rafael J. Wysocki --- v3 UPDATE: Add cc to RAPIDIO maintainers that was missing. --- drivers/acpi/acpi_platform.c | 2 +- drivers/parisc/eisa_enumerator.c | 4 ++-- drivers/rapidio/rio.c | 8 ++++---- drivers/sh/superhyway/superhyway.c | 2 +- 4 files changed, 8 insertions(+), 8 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c index 296b7a1..b6f7fa3 100644 --- a/drivers/acpi/acpi_platform.c +++ b/drivers/acpi/acpi_platform.c @@ -62,7 +62,7 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev) if (count < 0) { return NULL; } else if (count > 0) { - resources = kmalloc(count * sizeof(struct resource), + resources = kzalloc(count * sizeof(struct resource), GFP_KERNEL); if (!resources) { dev_err(&adev->dev, "No memory for resources\n"); diff --git a/drivers/parisc/eisa_enumerator.c b/drivers/parisc/eisa_enumerator.c index a656d9e..21905fe 100644 --- a/drivers/parisc/eisa_enumerator.c +++ b/drivers/parisc/eisa_enumerator.c @@ -91,7 +91,7 @@ static int configure_memory(const unsigned char *buf, for (i=0;iname = name; @@ -183,7 +183,7 @@ static int configure_port(const unsigned char *buf, struct resource *io_parent, for (i=0;iname = board; res->start = get_16(buf+len+1); res->end = get_16(buf+len+1)+(c&HPEE_PORT_SIZE_MASK)+1; diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c index d7b87c6..e220edc 100644 --- a/drivers/rapidio/rio.c +++ b/drivers/rapidio/rio.c @@ -117,7 +117,7 @@ int rio_request_inb_mbox(struct rio_mport *mport, if (mport->ops->open_inb_mbox == NULL) goto out; - res = kmalloc(sizeof(struct resource), GFP_KERNEL); + res = kzalloc(sizeof(struct resource), GFP_KERNEL); if (res) { rio_init_mbox_res(res, mbox, mbox); @@ -185,7 +185,7 @@ int rio_request_outb_mbox(struct rio_mport *mport, if (mport->ops->open_outb_mbox == NULL) goto out; - res = kmalloc(sizeof(struct resource), GFP_KERNEL); + res = kzalloc(sizeof(struct resource), GFP_KERNEL); if (res) { rio_init_mbox_res(res, mbox, mbox); @@ -285,7 +285,7 @@ int rio_request_inb_dbell(struct rio_mport *mport, { int rc = 0; - struct resource *res = kmalloc(sizeof(struct resource), GFP_KERNEL); + struct resource *res = kzalloc(sizeof(struct resource), GFP_KERNEL); if (res) { rio_init_dbell_res(res, start, end); @@ -360,7 +360,7 @@ int rio_release_inb_dbell(struct rio_mport *mport, u16 start, u16 end) struct resource *rio_request_outb_dbell(struct rio_dev *rdev, u16 start, u16 end) { - struct resource *res = kmalloc(sizeof(struct resource), GFP_KERNEL); + struct resource *res = kzalloc(sizeof(struct resource), GFP_KERNEL); if (res) { rio_init_dbell_res(res, start, end); diff --git a/drivers/sh/superhyway/superhyway.c b/drivers/sh/superhyway/superhyway.c index 2d9e7f3..bb1fb771 100644 --- a/drivers/sh/superhyway/superhyway.c +++ b/drivers/sh/superhyway/superhyway.c @@ -66,7 +66,7 @@ int superhyway_add_device(unsigned long base, struct superhyway_device *sdev, superhyway_read_vcr(dev, base, &dev->vcr); if (!dev->resource) { - dev->resource = kmalloc(sizeof(struct resource), GFP_KERNEL); + dev->resource = kzalloc(sizeof(struct resource), GFP_KERNEL); if (!dev->resource) { kfree(dev); return -ENOMEM;