From patchwork Thu Sep 24 04:34:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pratyush Yadav X-Patchwork-Id: 1370265 X-Patchwork-Delegate: trini@ti.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.denx.de (client-ip=2a01:238:438b:c500:173d:9f52:ddab:ee01; helo=phobos.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.a=rsa-sha256 header.s=ti-com-17Q1 header.b=dxYAtPDw; dkim-atps=neutral Received: from phobos.denx.de (phobos.denx.de [IPv6:2a01:238:438b:c500:173d:9f52:ddab:ee01]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4Bxj290Ycrz9sSt for ; Thu, 24 Sep 2020 14:37:20 +1000 (AEST) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id A123782687; Thu, 24 Sep 2020 06:36:53 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Authentication-Results: phobos.denx.de; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.b="dxYAtPDw"; dkim-atps=neutral Received: by phobos.denx.de (Postfix, from userid 109) id B0A028246A; Thu, 24 Sep 2020 06:34:31 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on phobos.denx.de X-Spam-Level: X-Spam-Status: No, score=-3.2 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.2 Received: from fllv0016.ext.ti.com (fllv0016.ext.ti.com [198.47.19.142]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id 5AB768246A for ; Thu, 24 Sep 2020 06:34:27 +0200 (CEST) Authentication-Results: phobos.denx.de; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=p.yadav@ti.com Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 08O4YPAa075605; Wed, 23 Sep 2020 23:34:25 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1600922065; bh=lM/FPBq0JpMwkkcf0sYYaEexb5q5pp1/zG+McMfq4ks=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=dxYAtPDwpUnA55uJ3FHov/vSPHOl+CtlKf/qF+QXPvNCWFhB1npmy1TAXZJ9gcqRO r1mYXDroTiBPEgpfVRlGQsnIL0huxW+wfSdmFVvqWC0Ci7GBlGSXwYMElClIzzdQ/1 yCr7G2enXttLclSTvn63VmFsn2giMabWBOSpkKw0= Received: from DFLE115.ent.ti.com (dfle115.ent.ti.com [10.64.6.36]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 08O4YPVb002811 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 23 Sep 2020 23:34:25 -0500 Received: from DFLE110.ent.ti.com (10.64.6.31) by DFLE115.ent.ti.com (10.64.6.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Wed, 23 Sep 2020 23:34:25 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE110.ent.ti.com (10.64.6.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Wed, 23 Sep 2020 23:34:25 -0500 Received: from pratyush-OptiPlex-790.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 08O4YInl065200; Wed, 23 Sep 2020 23:34:23 -0500 From: Pratyush Yadav To: Tom Rini CC: Pratyush Yadav , , Simon Glass , Vignesh Raghavendra Subject: [PATCH v3 2/9] regmap: zero out the regmap on allocation Date: Thu, 24 Sep 2020 10:04:11 +0530 Message-ID: <20200924043418.5355-3-p.yadav@ti.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200924043418.5355-1-p.yadav@ti.com> References: <20200924043418.5355-1-p.yadav@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.34 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.102.3 at phobos.denx.de X-Virus-Status: Clean Some fields will be introduced in the regmap structure that should be set to 0 by default. So, once we allocate a regmap, make sure it is zeroed out to avoid unexpected defaults for those values. Signed-off-by: Pratyush Yadav Reviewed-by: Simon Glass --- Notes: No changes in v3. drivers/core/regmap.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/core/regmap.c b/drivers/core/regmap.c index 74225361fd..809f58489f 100644 --- a/drivers/core/regmap.c +++ b/drivers/core/regmap.c @@ -30,8 +30,9 @@ DECLARE_GLOBAL_DATA_PTR; static struct regmap *regmap_alloc(int count) { struct regmap *map; + size_t size = sizeof(*map) + sizeof(map->ranges[0]) * count; - map = malloc(sizeof(*map) + sizeof(map->ranges[0]) * count); + map = calloc(1, size); if (!map) return NULL; map->range_count = count;