Received: by 2002:a05:6a10:1a4d:0:0:0:0 with SMTP id nk13csp2738397pxb; Thu, 10 Feb 2022 04:37:34 -0800 (PST) X-Google-Smtp-Source: ABdhPJzxrkrO+VRv+6gUDBndibLee3Ru+4Apkz/huRYXjJy4scUlF1e04llEF+o6gWdVI1njzS5y X-Received: by 2002:a17:902:e309:: with SMTP id q9mr7197318plc.69.1644496653853; Thu, 10 Feb 2022 04:37:33 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1644496653; cv=none; d=google.com; s=arc-20160816; b=CebCGYowFc+QuxPs/0OxGZvTHp7DxrwZlXxBjdCL7tj5ghl98j1QU2UZgL3Q5+tetO B/n6wqEKQwTq7qfzDpKfWpQMnomlQPFuWf8kNBNsiPU8T58e2WVYRl7B5lWgvULr9yXe aMI5KHNS0MqIVEZ9ysLHgTAMeVx510TbWgvwblNMVsNIEIohtSb6FzQjXOsyC3bJct1l B4RVgktwwf6RldC43WCU4MZs+nIUfUwU8he+4bAbjaGF+9ShMw0bV4qQErXBmo/qrQKw d64BgqbWyrda3a3qke4FOKfKa0mNGI4BAETA88wYI6VSNRSK3NdVgDfkuHmaZXZM9ztr SABA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:in-reply-to:from :references:cc:to:content-language:subject:user-agent:mime-version :date:message-id; bh=Gbw+7piOdyzxNIpo2vIeHZmkPOxgfRiLv9502YwLGS4=; b=CvSa6bAnIQ7VemLEkJYZScj9doNMm3Bv0GdqiQuKotrzAIWpheMzKqNa8/x6VCcoXe BiCh2N2y01yrY1hTpjrS5KFC5QwOZbqGqzSzNwmg2BzTmTZ3bbr6ksDmp9MFcDMR3IkN nihNo+fWnPWf6AbUCEdhaFe7ik5RzsNNjoEWyEiVrGZ9ndrb/ij5IcLxmRzLWQk6zmiG zxMBd0LEpZgpaInidPbL2sBqNlrWk3KBlOH2wlKGv24t7JQsZbsXG47I1yWCiLQ06eKm z0+DmUdrwXU7Kx80GCb4IRXhva9Y3Y/vcvPuAkRzjH3IYDP51O5Kjst+lcAmsq2rYc3m qBNg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id i8si1864862plr.458.2022.02.10.04.37.08; Thu, 10 Feb 2022 04:37:33 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241141AbiBJLoJ (ORCPT + 99 others); Thu, 10 Feb 2022 06:44:09 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:43890 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234873AbiBJLoI (ORCPT ); Thu, 10 Feb 2022 06:44:08 -0500 Received: from www262.sakura.ne.jp (www262.sakura.ne.jp [202.181.97.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AB79C1F4 for ; Thu, 10 Feb 2022 03:44:09 -0800 (PST) Received: from fsav119.sakura.ne.jp (fsav119.sakura.ne.jp [27.133.134.246]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id 21ABhgt7011998; Thu, 10 Feb 2022 20:43:42 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Received: from www262.sakura.ne.jp (202.181.97.72) by fsav119.sakura.ne.jp (F-Secure/fsigk_smtp/550/fsav119.sakura.ne.jp); Thu, 10 Feb 2022 20:43:42 +0900 (JST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/fsav119.sakura.ne.jp) Received: from [192.168.1.9] (M106072142033.v4.enabler.ne.jp [106.72.142.33]) (authenticated bits=0) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTPSA id 21ABhbnN011847 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NO); Thu, 10 Feb 2022 20:43:42 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Message-ID: <7f6d61f4-042f-8c9d-23ed-da6f1dcb20d0@I-love.SAKURA.ne.jp> Date: Thu, 10 Feb 2022 20:43:36 +0900 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.6.0 Subject: Re: [PATCH v2 06/19] fbcon: Use delayed work for cursor Content-Language: en-US To: Daniel Vetter , DRI Development Cc: Intel Graphics Development , linux-fbdev@vger.kernel.org, LKML , Daniel Vetter , Daniel Vetter , Claudio Suarez , Du Cheng , Thomas Zimmermann , Greg Kroah-Hartman References: <20220208210824.2238981-1-daniel.vetter@ffwll.ch> <20220208210824.2238981-7-daniel.vetter@ffwll.ch> From: Tetsuo Handa In-Reply-To: <20220208210824.2238981-7-daniel.vetter@ffwll.ch> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,NICE_REPLY_A, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2022/02/09 6:08, Daniel Vetter wrote: > @@ -714,6 +700,8 @@ static int con2fb_acquire_newinfo(struct vc_data *vc, struct fb_info *info, > ops = kzalloc(sizeof(struct fbcon_ops), GFP_KERNEL); > if (!ops) > err = -ENOMEM; > + > + INIT_DELAYED_WORK(&ops->cursor_work, fb_flashcursor); > } > > if (!err) { Memory allocation fault injection will hit NULL pointer dereference.