From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759314AbbFBNlw (ORCPT ); Tue, 2 Jun 2015 09:41:52 -0400 Received: from mail-am1on0054.outbound.protection.outlook.com ([157.56.112.54]:12191 "EHLO emea01-am1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1759297AbbFBNli (ORCPT ); Tue, 2 Jun 2015 09:41:38 -0400 X-Greylist: delayed 855 seconds by postgrey-1.27 at vger.kernel.org; Tue, 02 Jun 2015 09:41:37 EDT Authentication-Results: spf=fail (sender IP is 212.179.42.66) smtp.mailfrom=ezchip.com; vger.kernel.org; dkim=none (message not signed) header.d=none; From: Gil Fruchter To: , CC: , , , , Gil Fruchter Subject: [PATCH 1/2] tracing: Prefer kcalloc over kzalloc with multiply Date: Tue, 2 Jun 2015 16:26:28 +0300 Message-ID: <1433251589-21013-2-git-send-email-gilf@ezchip.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1433251589-21013-1-git-send-email-gilf@ezchip.com> References: <1433251589-21013-1-git-send-email-gilf@ezchip.com> MIME-Version: 1.0 Content-Type: text/plain X-TM-AS-Product-Ver: SMEX-11.0.0.1191-7.500.1018-21534.006 X-TM-AS-Result: No--6.595300-8.000000-31 X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-EOPAttributedMessage: 0 X-Microsoft-Exchange-Diagnostics: 1;AM1FFO11FD023;1:T7wfIs36w+3MJY8H/26kRQwpvrh6gLhr1ryvMXYWB6jPp0H/553GJbB/qgn66ETpCH0SHMtuU/xJ/w+qEv/YRWl5S0DVx9+srF89sbGco6HGe+1K9ceINEyIhMvS4JaiS1M6SgqpmRVDgZTVZZF0PtGhkqw70LHgwkfCRXFMyambfCdQmGSSI0M5UNjcgCw6Xwe9tkS9IDpKX23fL5D/eKOXWSbQnFPZC5FyG+D30thMREj+Xf3NCDmEEIMkvjQKwH/qi+MlE/JOW0QMwN3R30ETSh7rusZGYjYlcUvYfGW6DXkL5ZUKOAGvR2mcUlBN X-Forefront-Antispam-Report: CIP:212.179.42.66;CTRY:IL;IPV:NLI;EFV:NLI;SFV:NSPM;SFS:(10009020)(6009001)(339900001)(189002)(199003)(49486002)(105606002)(19580395003)(92566002)(46102003)(19580405001)(50466002)(50986999)(64706001)(5001860100001)(85426001)(87936001)(189998001)(50226001)(47776003)(5001970100001)(86362001)(5001920100001)(106466001)(2950100001)(229853001)(107886002)(5001830100001)(4001540100001)(5001770100001)(36756003)(77096005)(76176999)(33646002)(104016003)(6806004)(48376002)(62966003)(77156002)(4001430100001);DIR:OUT;SFP:1101;SCL:1;SRVR:HE1PR02MB1034;H:ezex10.ezchip.com;FPR:;SPF:Fail;PTR:ezmail.ezchip.com;MX:1;A:1;LANG:en; X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:HE1PR02MB1034; X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-Test: UriScan:; X-Exchange-Antispam-Report-CFA-Test: BCL:0;PCL:0;RULEID:(601004)(520003)(5005006)(3002001);SRVR:HE1PR02MB1034;BCL:0;PCL:0;RULEID:;SRVR:HE1PR02MB1034; X-Forefront-PRVS: 05954A7C45 X-OriginatorOrg: ezchip.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Jun 2015 13:27:23.6941 (UTC) X-MS-Exchange-CrossTenant-Id: 0fc16e0a-3cd3-4092-8b2f-0a42cff122c3 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=0fc16e0a-3cd3-4092-8b2f-0a42cff122c3;Ip=[212.179.42.66];Helo=[ezex10.ezchip.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1PR02MB1034 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org fix checkpatch warning for using kzalloc with multiply: WARNING: Prefer kcalloc over kzalloc with multiply + iter->buffer_iter = kzalloc(sizeof(*iter->buffer_iter) * num_possible_cpus(), Signed-off-by: Gil Fruchter --- kernel/trace/trace.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 0533049..57ffc4a 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3034,7 +3034,7 @@ __tracing_open(struct inode *inode, struct file *file, bool snapshot) if (!iter) return ERR_PTR(-ENOMEM); - iter->buffer_iter = kzalloc(sizeof(*iter->buffer_iter) * num_possible_cpus(), + iter->buffer_iter = kcalloc(num_possible_cpus(), sizeof(*iter->buffer_iter), GFP_KERNEL); if (!iter->buffer_iter) goto release; -- 1.7.1