From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751549AbcJAHnh (ORCPT ); Sat, 1 Oct 2016 03:43:37 -0400 Received: from mout.web.de ([212.227.17.11]:57521 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750980AbcJAHng (ORCPT ); Sat, 1 Oct 2016 03:43:36 -0400 Subject: [PATCH 1/9] md/dm-table: Use kmalloc_array() in realloc_argv() To: dm-devel@redhat.com, linux-raid@vger.kernel.org, Alasdair Kergon , Mike Snitzer , Shaohua Li References: <45984567-4421-5f8d-ddf3-eb2a769a1860@users.sourceforge.net> Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall From: SF Markus Elfring Message-ID: Date: Sat, 1 Oct 2016 09:43:18 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 MIME-Version: 1.0 In-Reply-To: <45984567-4421-5f8d-ddf3-eb2a769a1860@users.sourceforge.net> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K0:ZXplqlNmebKd/p9bWXQ8W6CnE9zXXr0BPhB1AfJHDIyKYNRrNEj EkD6L2QFoN6lOilYquQ5IPpYYKmtDma8q7VHJuSSUDKgFlsZvvl4Ypbl2XtLbO8PJ3nkxUe YzUl0WJ2f6hnDZGF+6D2QZFvUBbEvDkWmf5SGa+UFEwDqn05QIrrv2ZjWx/B2rgmwxQ251w d9nRazGNxErkppoKoRglA== X-UI-Out-Filterresults: notjunk:1;V01:K0:IqwfYoCFx8c=:RB51fO7LHMpdEkWKchxCVY cYTPxMgCtcNSLN3GeEbrKY74eiaG87NFf41DJcvNpOIebwBUAyqjS4dgpMg2rOC49VCfE+JCB oQHV5iV5xt/DsUazYMQFWnYMu5JX+lnnvEgiAbmaBIrp+NiL5cjVuLQ6wvylo2nY0QlPDJLte +RiR47N1f68LJvuNWZKq5Yf2TZn/WQsyPgyCCTkBXFvfglpn/6U8kSYQ4PwWrdzfDqPBN0WpO HcWB9rxaaT0aXb6wtjsQVL6615O5jv8mK3J+WCrTuKPrIAzUyKgOvYBNiU89J7UIcL2n5JVe1 VPg416XGsMRCbsC0CqhCR7EBNebg+ctCgWMF5UC8rXORQuxi+7h5N7uU950Ktr8WsM97wRzWb 22+86yxZ2rqNOxWrP+x9ffyxbN/buDIN7ppjqFZyVwGLn4XE9cKSGl4xEn7os7nm+4yYcO0PT IqaQI7x8s4wpWQ3VXDXdChCfYir/6x44ta8vMYlfzANBWykA/zmhvob8P/CfYvHP5i66lBAZZ /337i6UyH6NP1jfi/o8s8gQVX6IWWVlMVfhlw9hbn5jcNqGJ7lSL3GJBn8a90U35QWI4XP303 KwIV2tP6W4QUZm70ZS2lXYjesdUa9N17POSUi1bcmZj7Z4Ux6NhJQaLwBk74aBwKVTtZnAznY lgUYFqMS9DR+6jlUhuchQWyQUoUq6IUKR9EgxgFSzmEE10Z18HqbMZQ/XJkEXHtCehm3yigSr gpwkrCIvWZ4k+BW1Yt69vcWGRCs+vU1FYUexeA8HeAy4UgW6EOwh0xnJxgGAEtPhjw8ifouDJ 2xtWtJR Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Markus Elfring Date: Sat, 1 Oct 2016 06:47:16 +0200 A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "kmalloc_array". This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- drivers/md/dm-table.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 3e407a9..f6b817c 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -523,7 +523,7 @@ static char **realloc_argv(unsigned *array_size, char **old_argv) new_size = 8; gfp = GFP_NOIO; } - argv = kmalloc(new_size * sizeof(*argv), gfp); + argv = kmalloc_array(new_size, sizeof(*argv), gfp); if (argv) { memcpy(argv, old_argv, *array_size * sizeof(*argv)); *array_size = new_size; -- 2.10.0