From patchwork Wed Aug 9 03:44:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 712290 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D4EEFEB64DD for ; Wed, 9 Aug 2023 03:45:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230049AbjHIDpb (ORCPT ); Tue, 8 Aug 2023 23:45:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46442 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230007AbjHIDpa (ORCPT ); Tue, 8 Aug 2023 23:45:30 -0400 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DB7CD173A; Tue, 8 Aug 2023 20:45:29 -0700 (PDT) Received: from kwepemi500008.china.huawei.com (unknown [172.30.72.57]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4RLGBl4YvDz1GDtg; Wed, 9 Aug 2023 11:44:15 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemi500008.china.huawei.com (7.221.188.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Wed, 9 Aug 2023 11:45:24 +0800 From: Ruan Jinjie To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: Subject: [PATCH -next 2/7] drm/amd/display: Remove unnecessary NULL values Date: Wed, 9 Aug 2023 11:44:40 +0800 Message-ID: <20230809034445.434902-3-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230809034445.434902-1-ruanjinjie@huawei.com> References: <20230809034445.434902-1-ruanjinjie@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemi500008.china.huawei.com (7.221.188.139) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org The NULL initialization of the pointers assigned by kzalloc() first is not necessary, because if the kzalloc() failed, the pointers will be assigned NULL, otherwise it works as usual. so remove it. Signed-off-by: Ruan Jinjie --- drivers/gpu/drm/amd/display/dc/bios/bios_parser.c | 4 ++-- drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c index 4f005ae1516c..6b3190447581 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c @@ -96,7 +96,7 @@ struct dc_bios *bios_parser_create( struct bp_init_data *init, enum dce_version dce_version) { - struct bios_parser *bp = NULL; + struct bios_parser *bp; bp = kzalloc(sizeof(struct bios_parser), GFP_KERNEL); if (!bp) @@ -2576,7 +2576,7 @@ static struct integrated_info *bios_parser_create_integrated_info( struct dc_bios *dcb) { struct bios_parser *bp = BP_FROM_DCB(dcb); - struct integrated_info *info = NULL; + struct integrated_info *info; info = kzalloc(sizeof(struct integrated_info), GFP_KERNEL); diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c index 540d19efad8f..c7b3359f1e1d 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c @@ -3086,7 +3086,7 @@ static struct integrated_info *bios_parser_create_integrated_info( struct dc_bios *dcb) { struct bios_parser *bp = BP_FROM_DCB(dcb); - struct integrated_info *info = NULL; + struct integrated_info *info; info = kzalloc(sizeof(struct integrated_info), GFP_KERNEL); @@ -3675,7 +3675,7 @@ struct dc_bios *firmware_parser_create( struct bp_init_data *init, enum dce_version dce_version) { - struct bios_parser *bp = NULL; + struct bios_parser *bp; bp = kzalloc(sizeof(struct bios_parser), GFP_KERNEL); if (!bp)