From patchwork Fri May 31 09:53:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Takashi Iwai X-Patchwork-Id: 10969885 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6EFA51398 for ; Fri, 31 May 2019 09:56:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5F53B28A5B for ; Fri, 31 May 2019 09:56:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 532FA28A6A; Fri, 31 May 2019 09:56:04 +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=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id A2A5228A5B for ; Fri, 31 May 2019 09:56:03 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id E1169850; Fri, 31 May 2019 11:55:11 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz E1169850 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1559296562; bh=J7Thf59tuYT+D0EZRiOOzzfqy6SwKvF808Rw0JQnrno=; h=From:To:Date:In-Reply-To:References:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=Tc0cmRnQE5GOXJfL5Oe6iQHbnWsryz0clgC40wiD6TqHgTshxdcuIEW/Oxlzj4V0d GQptE7eJA9DmzXN4pZF28oHvdbPcgjX+10s2SBF43IXJZ9S6QVttSzDE5doiFSJ1SN cCJQ09ZyDmO59+V+yHfFk2m5LB/zGc8+fi8YSFGw= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 9CC79F8972D; Fri, 31 May 2019 11:53:33 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa1.perex.cz (Postfix, from userid 50401) id EA111F89719; Fri, 31 May 2019 11:53:30 +0200 (CEST) Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 4E2F5F896E5 for ; Fri, 31 May 2019 11:53:25 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 4E2F5F896E5 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 5A5F4B026 for ; Fri, 31 May 2019 09:53:25 +0000 (UTC) From: Takashi Iwai To: alsa-devel@alsa-project.org Date: Fri, 31 May 2019 11:53:20 +0200 Message-Id: <20190531095321.16002-3-tiwai@suse.de> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20190531095321.16002-1-tiwai@suse.de> References: <20190531095321.16002-1-tiwai@suse.de> Subject: [alsa-devel] [PATCH 2/3] ALSA: hda: Use struct_size() X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" X-Virus-Scanned: ClamAV using ClamSMTP For code simplification and safety, use struct_size() macro for calculating the hda_conn_list object size with the variable array. Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_codec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index b20eb7fc83eb..d0f1dbcfbda4 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -122,7 +122,7 @@ static int add_conn_list(struct hda_codec *codec, hda_nid_t nid, int len, { struct hda_conn_list *p; - p = kmalloc(sizeof(*p) + len * sizeof(hda_nid_t), GFP_KERNEL); + p = kmalloc(struct_size(p, conns, len), GFP_KERNEL); if (!p) return -ENOMEM; p->len = len;