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[23.128.96.32]) by mx.google.com with ESMTPS id z10-20020a65610a000000b005c1b311a152si10653084pgu.657.2023.12.13.19.25.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Dec 2023 19:25:57 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) client-ip=23.128.96.32; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.32 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by agentk.vger.email (Postfix) with ESMTP id A852B80789BD; Wed, 13 Dec 2023 19:25:26 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at agentk.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1443083AbjLNDWt (ORCPT + 99 others); Wed, 13 Dec 2023 22:22:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54110 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229525AbjLNDWs (ORCPT ); Wed, 13 Dec 2023 22:22:48 -0500 Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D13D785; Wed, 13 Dec 2023 19:22:53 -0800 (PST) X-UUID: cb819b51fc094807a3539f40913cb22c-20231214 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.33,REQID:a7d41c09-084b-4d27-867a-a7035c8e7d43,IP:15, URL:0,TC:0,Content:0,EDM:0,RT:0,SF:-15,FILE:0,BULK:0,RULE:Release_Ham,ACTI ON:release,TS:0 X-CID-INFO: VERSION:1.1.33,REQID:a7d41c09-084b-4d27-867a-a7035c8e7d43,IP:15,UR L:0,TC:0,Content:0,EDM:0,RT:0,SF:-15,FILE:0,BULK:0,RULE:Release_Ham,ACTION :release,TS:0 X-CID-META: VersionHash:364b77b,CLOUDID:01c127bd-2ac7-4da2-9f94-677a477649d9,B ulkID:231214112251LVGO6IGL,BulkQuantity:0,Recheck:0,SF:24|17|19|44|64|66|1 02,TC:nil,Content:0,EDM:-3,IP:-2,URL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,CO L:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0,NGT X-CID-BAS: 0,NGT,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_FAS,TF_CID_SPAM_FSD,TF_CID_SPAM_FSI X-UUID: cb819b51fc094807a3539f40913cb22c-20231214 X-User: chentao@kylinos.cn Received: from [172.20.15.254] [(116.128.244.169)] by mailgw (envelope-from ) (Generic MTA) with ESMTP id 69105480; Thu, 14 Dec 2023 11:22:48 +0800 Message-ID: <0bc0a282-8a3d-460f-81af-ecf4cb92363c@kylinos.cn> Date: Thu, 14 Dec 2023 11:22:47 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] net: dsa: vsc73xx: Add null pointer check to vsc73xx_gpio_probe Content-Language: en-US To: Jakub Kicinski Cc: andrew@lunn.ch, f.fainelli@gmail.com, olteanv@gmail.com, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Kunwu Chan References: <20231211024549.231417-1-chentao@kylinos.cn> <20231212132755.261ee49d@kernel.org> From: Kunwu Chan In-Reply-To: <20231212132755.261ee49d@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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 autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.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 (agentk.vger.email [0.0.0.0]); Wed, 13 Dec 2023 19:25:27 -0800 (PST) Thanks for your reply. I'll remove 'dev_err' in v2 patch. Thanks again. On 2023/12/13 05:27, Jakub Kicinski wrote: > On Mon, 11 Dec 2023 10:45:49 +0800 Kunwu Chan wrote: >> vsc->gc.label = devm_kasprintf(vsc->dev, GFP_KERNEL, "VSC%04x", >> vsc->chipid); >> + if (!vsc->gc.label) { >> + dev_err(vsc->dev, "Fail to allocate memory\n"); >> + return -ENOMEM; >> + } > > Don't add error prints on memory allocations. > There will be an OOM splat in the logs.