From patchwork Fri Jan 13 17:07:36 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: SF Markus Elfring X-Patchwork-Id: 9516015 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0119860762 for ; Fri, 13 Jan 2017 17:09:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E4CEA28765 for ; Fri, 13 Jan 2017 17:09:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D9AA528767; Fri, 13 Jan 2017 17:09:01 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8FB9228765 for ; Fri, 13 Jan 2017 17:09:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751238AbdAMRIn (ORCPT ); Fri, 13 Jan 2017 12:08:43 -0500 Received: from mout.web.de ([217.72.192.78]:49531 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750897AbdAMRHs (ORCPT ); Fri, 13 Jan 2017 12:07:48 -0500 Received: from [192.168.1.2] ([78.49.203.248]) by smtp.web.de (mrweb101 [213.165.67.124]) with ESMTPSA (Nemesis) id 0MC1fA-1cJJts36Cu-008qtM; Fri, 13 Jan 2017 18:07:40 +0100 Subject: [PATCH 01/17] spi: Use kcalloc() in spi_register_board_info() To: linux-spi@vger.kernel.org, Mark Brown References: <1413e173-dbac-7a6e-09cb-2287300a335e@users.sourceforge.net> Cc: LKML , kernel-janitors@vger.kernel.org From: SF Markus Elfring Message-ID: <26b9015b-7ba2-3e26-5075-9a78f3884392@users.sourceforge.net> Date: Fri, 13 Jan 2017 18:07:36 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.6.0 MIME-Version: 1.0 In-Reply-To: <1413e173-dbac-7a6e-09cb-2287300a335e@users.sourceforge.net> X-Provags-ID: V03:K0:jYtiBBDf3jmKrDFumk9jMoT9r/HOpS8TvJtDC0Zaj/d3ZPmElXo gJAL3DYv+hge09pdLqqgdr2I2jWh7VV4wqwW+8c7kO8VWh7g0AGD3iEqAwYWia0Xu+5KhJg lISn42bA7ft4EZj3Bp2nPzr7PFOZdVjdZhHoBKfBVzhUG/hmu8fVMPIMv9vjqoD8DI+Zv8U NSRrQIMA187B2NtrlmTgQ== X-UI-Out-Filterresults: notjunk:1; V01:K0:zG/qAYGf0dY=:dYALpcXersAzAkZbt/2yVq f2FQpPOTfdN75YbsJh+C8woGNbuSGEtW+D7MkE1oiw2phOxhCjEnsMkhOcycEcUi3WZ/0AoFe nEQ+TVl+3R9tKiNJoLmUcKTVyh1LTqaWddpwFwfBOdc5udc71lTjT2Ulg3HDES4C/iKUtAcXY DI2J/I86Oqcji4Oz17hEYhqDQDYvLQ1ckPKLJakFkjMyBIBV5WV39m+t5Rqd3guuWAZkRt5SY 1UUPEp95BXblOLmh3J/5KBk8cXFav0NOx657BS0nxA1E+tKZULcjNDEyr/mpWzcWdchrFLS75 xg/+lUkyERluQ8qV5J+t/R1U3opLVRW8YRh78ezXawjNHrmBhO44pqdsZZIHU+m4xFWAK4tzC 5yRErLixKko0+5U8CzUO5WLfiUFxi9cq1DRLzl3+Il6mQ3iuOhpcbxppCPAOaWVnOwvBYO5nW 0eVoh27jxn6xbu0mnYHa4rj5kzpuO3efD2Rf10DPVIzb03EdnhfrV712b8K7kw6RKFbttk/Bk 1zZc/bGuJ/JCS3BJdxWfBuHjxa+uJ0tuxwtUTzORtgDsfm/30TzyL1xMYe3eW/eoAiT/J/bW9 bJ5leRML5ctm8hAfPsP5Gqkr1fXELCV2eYcDv9KVgCzA+ZXzZKC+IhjI17xAyjMVW4XxC4nUc xCcEb6zrXCYWqKiIqZlS2uN+0SB/jdZwebSKMudAFCyfp8Jfu4MrWqfH+j3IIrlfEOdmO+NIV TZrv904nw45bl3FEtDMIYPh7xdo1+Ot+VPcQsLlxWwEF9gl+E+stJn2hyV5hnJhRAIN6Inpzs /aqD1GK Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Markus Elfring Date: Fri, 13 Jan 2017 12:28:04 +0100 A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus reuse the corresponding function "kcalloc". This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- drivers/spi/spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 656dd3e3220c..8c05f27bf642 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -672,7 +672,7 @@ int spi_register_board_info(struct spi_board_info const *info, unsigned n) if (!n) return -EINVAL; - bi = kzalloc(n * sizeof(*bi), GFP_KERNEL); + bi = kcalloc(n, sizeof(*bi), GFP_KERNEL); if (!bi) return -ENOMEM;