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[2620:137:e000::3:8]) by mx.google.com with ESMTPS id j3-20020a170902c08300b001d0050e246bsi11305545pld.43.2023.12.14.04.07.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Dec 2023 04:07:07 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:8 as permitted sender) client-ip=2620:137:e000::3:8; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:8 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=zte.com.cn Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by fry.vger.email (Postfix) with ESMTP id 05767810F67A; Thu, 14 Dec 2023 04:07:04 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at fry.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1572905AbjLNMGy (ORCPT + 99 others); Thu, 14 Dec 2023 07:06:54 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50476 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1572888AbjLNMGx (ORCPT ); Thu, 14 Dec 2023 07:06:53 -0500 X-Greylist: delayed 687 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Thu, 14 Dec 2023 04:06:56 PST Received: from mxct.zte.com.cn (mxct.zte.com.cn [183.62.165.209]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8B100B9 for ; Thu, 14 Dec 2023 04:06:56 -0800 (PST) Received: from mse-fl2.zte.com.cn (unknown [10.5.228.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mxct.zte.com.cn (FangMail) with ESMTPS id 4SrWL23N3fz4xVbs; Thu, 14 Dec 2023 20:06:50 +0800 (CST) Received: from xaxapp01.zte.com.cn ([10.88.99.176]) by mse-fl2.zte.com.cn with SMTP id 3BEC3JO0039139; Thu, 14 Dec 2023 20:03:19 +0800 (+08) (envelope-from yang.guang5@zte.com.cn) Received: from mapi (xaxapp01[null]) by mapi (Zmail) with MAPI id mid31; Thu, 14 Dec 2023 20:03:22 +0800 (CST) Date: Thu, 14 Dec 2023 20:03:22 +0800 (CST) X-Zmail-TransId: 2af9657aef0afffffffff0d-394fc X-Mailer: Zmail v1.0 Message-ID: <202312142003220684160@zte.com.cn> Mime-Version: 1.0 From: To: Cc: , , , , , , , , , , , Subject: =?utf-8?q?=5BPATCH_linux-next=5D_drm/nouveau/disp=3A_switch_to_use_?= =?utf-8?q?kmemdup=28=29_helper?= X-MAIL: mse-fl2.zte.com.cn 3BEC3JO0039139 X-Fangmail-Gw-Spam-Type: 0 X-Fangmail-Anti-Spam-Filtered: true X-Fangmail-MID-QID: 657AEFDA.003/4SrWL23N3fz4xVbs X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE, UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on fry.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (fry.vger.email [0.0.0.0]); Thu, 14 Dec 2023 04:07:04 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1785258249795561916 X-GMAIL-MSGID: 1785258970041943355 From: Yang Guang Use kmemdup() helper instead of open-coding to simplify the code. Signed-off-by: Chen Haonan Reviewed-by: Kees Cook --- drivers/gpu/drm/nouveau/nvif/outp.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nvif/outp.c b/drivers/gpu/drm/nouveau/nvif/outp.c index 5d3190c05250..6daeb7f0b09b 100644 --- a/drivers/gpu/drm/nouveau/nvif/outp.c +++ b/drivers/gpu/drm/nouveau/nvif/outp.c @@ -452,13 +452,12 @@ nvif_outp_edid_get(struct nvif_outp *outp, u8 **pedid) if (ret) goto done; - *pedid = kmalloc(args->size, GFP_KERNEL); + *pedid = kmemdup(args->data, args->size, GFP_KERNEL); if (!*pedid) { ret = -ENOMEM; goto done; } - memcpy(*pedid, args->data, args->size); ret = args->size; done: kfree(args);