From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4A8FCC3F2CD for ; Tue, 3 Mar 2020 08:25:47 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 25B39208C3 for ; Tue, 3 Mar 2020 08:25:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ffwll.ch header.i=@ffwll.ch header.b="SK8I//A3" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 25B39208C3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ffwll.ch Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C0E096E9FD; Tue, 3 Mar 2020 08:25:42 +0000 (UTC) Received: from mail-wr1-x441.google.com (mail-wr1-x441.google.com [IPv6:2a00:1450:4864:20::441]) by gabe.freedesktop.org (Postfix) with ESMTPS id 026EA6E9FD for ; Tue, 3 Mar 2020 08:25:41 +0000 (UTC) Received: by mail-wr1-x441.google.com with SMTP id q8so3177366wrm.4 for ; Tue, 03 Mar 2020 00:25:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ffwll.ch; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=t3zvw95z8Q2VG1iK6TH55Ty7NZdpIUxmnUnuBIFWUwE=; b=SK8I//A3LrZ4LK0MQ/B/gsgUbbdof3ZGuSb3rImnnAzABGvLNc53p1PjEPZ/mS5sTH EdfpRheM+H8xgLLy0azdMUGkA38Snq69v4oHHAsRYKLBWO+5ndnu1VjS4FkDZLUL8Oaw R4+lT9Ql2P5GnTkKvMCC9draaxnLzS9V2W7Nw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=t3zvw95z8Q2VG1iK6TH55Ty7NZdpIUxmnUnuBIFWUwE=; b=B2fRsDkPWHKKPaZHbLk8TJRP6pcW/5Rfqg5n27W1E717/rNsp6xH3pksvySE9WErAZ xQbOvlrL8PMlpbmzkffDBkXyiQZfmwgB4n6yQW/sPj+op8SXCn663sTmWgmoI4je34WZ BbNfimhe06BoYndlVWRd7ctdtp27ACChV+S00FBbG+7ShokkPGzHZhH9QBQvJoxW5I8I Jj0L/AngcQ1LnjbDXz7268I004iS+FbkUKNwqHHNF5weXbOMWx6GPlAh69TkYJAUgIZe Ac1kYkfJc5rN6G6hCRWSh/FKlrao9mIC0jDmLsAw1wuwtyNeJ2i92SZ5kKdowvZ8uNri t3Zg== X-Gm-Message-State: ANhLgQ16pFbIFo33lGh6qEzmVuHZ18U9aTjXzZ4OimD4wZ7FKB8BGXbq 4sqbY6a53XxxJD+jfBbfROGZ1Q== X-Google-Smtp-Source: ADFU+vtQ1+d84ZdVzrbMlbkeMXOJERptfawrBSiDYPSKIrf6gQojiWq3oUADG/uASP+Zgn21vNcDSA== X-Received: by 2002:a05:6000:12c9:: with SMTP id l9mr4544865wrx.25.1583223940594; Tue, 03 Mar 2020 00:25:40 -0800 (PST) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id 61sm32754240wrf.65.2020.03.03.00.25.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Mar 2020 00:25:40 -0800 (PST) Date: Tue, 3 Mar 2020 09:25:38 +0100 From: Daniel Vetter To: Dan Carpenter Subject: Re: [PATCH 03/51] drm: add managed resources tied to drm_device Message-ID: <20200303082538.GK2363188@phenom.ffwll.local> References: <20200302222631.3861340-4-daniel.vetter@ffwll.ch> <20200303080406.GC24372@kadam> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200303080406.GC24372@kadam> X-Operating-System: Linux phenom 5.3.0-3-amd64 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kbuild-all@lists.01.org, "Rafael J. Wysocki" , Daniel Vetter , kbuild@lists.01.org, DRI Development , Laurent Pinchart , Greg Kroah-Hartman , Daniel Vetter , Sam Ravnborg , Intel Graphics Development Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Tue, Mar 03, 2020 at 11:04:06AM +0300, Dan Carpenter wrote: > Hi Daniel, > > I love your patch! Perhaps something to improve: > > url: https://github.com/0day-ci/linux/commits/Daniel-Vetter/drm_device-managed-resources-v4/20200303-071023 > base: git://anongit.freedesktop.org/drm/drm-tip drm-tip > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot > Reported-by: Dan Carpenter > > smatch warnings: > drivers/gpu/drm/drm_drv.c:843 drm_dev_release() error: dereferencing freed memory 'dev' > > # https://github.com/0day-ci/linux/commit/5aba700d4c32ae5722a9931c959b13a6217a86e2 > git remote add linux-review https://github.com/0day-ci/linux > git remote update linux-review > git checkout 5aba700d4c32ae5722a9931c959b13a6217a86e2 > vim +/dev +843 drivers/gpu/drm/drm_drv.c > > 099d1c290e2ebc drivers/gpu/drm/drm_stub.c David Herrmann 2014-01-29 826 static void drm_dev_release(struct kref *ref) > 0dc8fe5985e01f drivers/gpu/drm/drm_stub.c David Herrmann 2013-10-02 827 { > 099d1c290e2ebc drivers/gpu/drm/drm_stub.c David Herrmann 2014-01-29 828 struct drm_device *dev = container_of(ref, struct drm_device, ref); > 8f6599da8e772f drivers/gpu/drm/drm_stub.c David Herrmann 2013-10-20 829 > f30c92576af4bb drivers/gpu/drm/drm_drv.c Chris Wilson 2017-02-02 830 if (dev->driver->release) { > f30c92576af4bb drivers/gpu/drm/drm_drv.c Chris Wilson 2017-02-02 831 dev->driver->release(dev); > f30c92576af4bb drivers/gpu/drm/drm_drv.c Chris Wilson 2017-02-02 832 } else { > f30c92576af4bb drivers/gpu/drm/drm_drv.c Chris Wilson 2017-02-02 833 drm_dev_fini(dev); > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 834 } > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 835 > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 836 drm_managed_release(dev); > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 837 > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 838 if (!dev->driver->release && !dev->managed.final_kfree) { > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 839 WARN_ON(!list_empty(&dev->managed.resources)); > 0dc8fe5985e01f drivers/gpu/drm/drm_stub.c David Herrmann 2013-10-02 840 kfree(dev); > ^^^^^^^^^^ > Free > > 0dc8fe5985e01f drivers/gpu/drm/drm_stub.c David Herrmann 2013-10-02 841 } > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 842 > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 @843 if (dev->managed.final_kfree) > ^^^^^ > Dereference Drat, so much for me trying to get this to bisect properly (it's interim code and will disappear, end is correct I think). I guess I'll try again. -Daniel > > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 844 kfree(dev->managed.final_kfree); > f30c92576af4bb drivers/gpu/drm/drm_drv.c Chris Wilson 2017-02-02 845 } > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DED2EC3F2D7 for ; Tue, 3 Mar 2020 08:25:48 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B98AE208C3 for ; Tue, 3 Mar 2020 08:25:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ffwll.ch header.i=@ffwll.ch header.b="SK8I//A3" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B98AE208C3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ffwll.ch Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 83D5D6EA04; Tue, 3 Mar 2020 08:25:43 +0000 (UTC) Received: from mail-wr1-x442.google.com (mail-wr1-x442.google.com [IPv6:2a00:1450:4864:20::442]) by gabe.freedesktop.org (Postfix) with ESMTPS id 028576EA04 for ; Tue, 3 Mar 2020 08:25:41 +0000 (UTC) Received: by mail-wr1-x442.google.com with SMTP id t11so3162708wrw.5 for ; Tue, 03 Mar 2020 00:25:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ffwll.ch; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=t3zvw95z8Q2VG1iK6TH55Ty7NZdpIUxmnUnuBIFWUwE=; b=SK8I//A3LrZ4LK0MQ/B/gsgUbbdof3ZGuSb3rImnnAzABGvLNc53p1PjEPZ/mS5sTH EdfpRheM+H8xgLLy0azdMUGkA38Snq69v4oHHAsRYKLBWO+5ndnu1VjS4FkDZLUL8Oaw R4+lT9Ql2P5GnTkKvMCC9draaxnLzS9V2W7Nw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=t3zvw95z8Q2VG1iK6TH55Ty7NZdpIUxmnUnuBIFWUwE=; b=cAnzlebKP1YfqgjG10/mOeHy24RoHvETWdxEErVDCw5qu9aDBrvAaAirzTu2LJcbCM 0pyBHDsFEVpfQuzckbdC4s5GSpGQoW4V8AwUrBRNqNwi41aHyh777jt380BoPU1SpL+B 2YY3JweGyy+4GOt1yXvgsjdzJBPaGUnbzHa6A/wjXL0VgUunscIW2wX6abKkuMY4uOXO N7/pQDrOPOPsmnoh9xGBj7WBc3pu/MCW3hJ5VKH0Q9Zffv/FPekRa5EB1FTAgtw+msbx G3ha1XTmQRbNGY83xcmoCWqgRz8L0BOD3Mw1qhkVumAKAabhlIZYk0yFQuLeNU7ZUPdv urRw== X-Gm-Message-State: ANhLgQ0gGkczmlX/zWjvWeTpByVTQFHjK7J/8p0EUR2+yg1I6r38uNoV 6ZQ5TbGZ0VebCJSgHgpWQqJDJw== X-Google-Smtp-Source: ADFU+vtQ1+d84ZdVzrbMlbkeMXOJERptfawrBSiDYPSKIrf6gQojiWq3oUADG/uASP+Zgn21vNcDSA== X-Received: by 2002:a05:6000:12c9:: with SMTP id l9mr4544865wrx.25.1583223940594; Tue, 03 Mar 2020 00:25:40 -0800 (PST) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id 61sm32754240wrf.65.2020.03.03.00.25.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Mar 2020 00:25:40 -0800 (PST) Date: Tue, 3 Mar 2020 09:25:38 +0100 From: Daniel Vetter To: Dan Carpenter Message-ID: <20200303082538.GK2363188@phenom.ffwll.local> References: <20200302222631.3861340-4-daniel.vetter@ffwll.ch> <20200303080406.GC24372@kadam> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200303080406.GC24372@kadam> X-Operating-System: Linux phenom 5.3.0-3-amd64 Subject: Re: [Intel-gfx] [PATCH 03/51] drm: add managed resources tied to drm_device X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kbuild-all@lists.01.org, "Rafael J. Wysocki" , Daniel Vetter , kbuild@lists.01.org, DRI Development , Laurent Pinchart , Greg Kroah-Hartman , Daniel Vetter , Sam Ravnborg , Intel Graphics Development Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" On Tue, Mar 03, 2020 at 11:04:06AM +0300, Dan Carpenter wrote: > Hi Daniel, > > I love your patch! Perhaps something to improve: > > url: https://github.com/0day-ci/linux/commits/Daniel-Vetter/drm_device-managed-resources-v4/20200303-071023 > base: git://anongit.freedesktop.org/drm/drm-tip drm-tip > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot > Reported-by: Dan Carpenter > > smatch warnings: > drivers/gpu/drm/drm_drv.c:843 drm_dev_release() error: dereferencing freed memory 'dev' > > # https://github.com/0day-ci/linux/commit/5aba700d4c32ae5722a9931c959b13a6217a86e2 > git remote add linux-review https://github.com/0day-ci/linux > git remote update linux-review > git checkout 5aba700d4c32ae5722a9931c959b13a6217a86e2 > vim +/dev +843 drivers/gpu/drm/drm_drv.c > > 099d1c290e2ebc drivers/gpu/drm/drm_stub.c David Herrmann 2014-01-29 826 static void drm_dev_release(struct kref *ref) > 0dc8fe5985e01f drivers/gpu/drm/drm_stub.c David Herrmann 2013-10-02 827 { > 099d1c290e2ebc drivers/gpu/drm/drm_stub.c David Herrmann 2014-01-29 828 struct drm_device *dev = container_of(ref, struct drm_device, ref); > 8f6599da8e772f drivers/gpu/drm/drm_stub.c David Herrmann 2013-10-20 829 > f30c92576af4bb drivers/gpu/drm/drm_drv.c Chris Wilson 2017-02-02 830 if (dev->driver->release) { > f30c92576af4bb drivers/gpu/drm/drm_drv.c Chris Wilson 2017-02-02 831 dev->driver->release(dev); > f30c92576af4bb drivers/gpu/drm/drm_drv.c Chris Wilson 2017-02-02 832 } else { > f30c92576af4bb drivers/gpu/drm/drm_drv.c Chris Wilson 2017-02-02 833 drm_dev_fini(dev); > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 834 } > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 835 > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 836 drm_managed_release(dev); > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 837 > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 838 if (!dev->driver->release && !dev->managed.final_kfree) { > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 839 WARN_ON(!list_empty(&dev->managed.resources)); > 0dc8fe5985e01f drivers/gpu/drm/drm_stub.c David Herrmann 2013-10-02 840 kfree(dev); > ^^^^^^^^^^ > Free > > 0dc8fe5985e01f drivers/gpu/drm/drm_stub.c David Herrmann 2013-10-02 841 } > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 842 > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 @843 if (dev->managed.final_kfree) > ^^^^^ > Dereference Drat, so much for me trying to get this to bisect properly (it's interim code and will disappear, end is correct I think). I guess I'll try again. -Daniel > > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 844 kfree(dev->managed.final_kfree); > f30c92576af4bb drivers/gpu/drm/drm_drv.c Chris Wilson 2017-02-02 845 } > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============2669478746431017579==" MIME-Version: 1.0 From: Daniel Vetter To: kbuild-all@lists.01.org Subject: Re: [PATCH 03/51] drm: add managed resources tied to drm_device Date: Tue, 03 Mar 2020 09:25:38 +0100 Message-ID: <20200303082538.GK2363188@phenom.ffwll.local> In-Reply-To: <20200303080406.GC24372@kadam> List-Id: --===============2669478746431017579== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On Tue, Mar 03, 2020 at 11:04:06AM +0300, Dan Carpenter wrote: > Hi Daniel, > = > I love your patch! Perhaps something to improve: > = > url: https://github.com/0day-ci/linux/commits/Daniel-Vetter/drm_device= -managed-resources-v4/20200303-071023 > base: git://anongit.freedesktop.org/drm/drm-tip drm-tip > = > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot > Reported-by: Dan Carpenter > = > smatch warnings: > drivers/gpu/drm/drm_drv.c:843 drm_dev_release() error: dereferencing free= d memory 'dev' > = > # https://github.com/0day-ci/linux/commit/5aba700d4c32ae5722a9931c959b13a= 6217a86e2 > git remote add linux-review https://github.com/0day-ci/linux > git remote update linux-review > git checkout 5aba700d4c32ae5722a9931c959b13a6217a86e2 > vim +/dev +843 drivers/gpu/drm/drm_drv.c > = > 099d1c290e2ebc drivers/gpu/drm/drm_stub.c David Herrmann 2014-01-29 826 = static void drm_dev_release(struct kref *ref) > 0dc8fe5985e01f drivers/gpu/drm/drm_stub.c David Herrmann 2013-10-02 827 = { > 099d1c290e2ebc drivers/gpu/drm/drm_stub.c David Herrmann 2014-01-29 828 = struct drm_device *dev =3D container_of(ref, struct drm_device, ref); > 8f6599da8e772f drivers/gpu/drm/drm_stub.c David Herrmann 2013-10-20 829 = > f30c92576af4bb drivers/gpu/drm/drm_drv.c Chris Wilson 2017-02-02 830 = if (dev->driver->release) { > f30c92576af4bb drivers/gpu/drm/drm_drv.c Chris Wilson 2017-02-02 831 = dev->driver->release(dev); > f30c92576af4bb drivers/gpu/drm/drm_drv.c Chris Wilson 2017-02-02 832 = } else { > f30c92576af4bb drivers/gpu/drm/drm_drv.c Chris Wilson 2017-02-02 833 = drm_dev_fini(dev); > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 834 = } > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 835 = > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 836 = drm_managed_release(dev); > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 837 = > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 838 = if (!dev->driver->release && !dev->managed.final_kfree) { > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 839 = WARN_ON(!list_empty(&dev->managed.resources)); > 0dc8fe5985e01f drivers/gpu/drm/drm_stub.c David Herrmann 2013-10-02 840 = kfree(dev); > = ^^^^^^^^^^ > Free > = > 0dc8fe5985e01f drivers/gpu/drm/drm_stub.c David Herrmann 2013-10-02 841 = } > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 842 = > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 @843 = if (dev->managed.final_kfree) > = ^^^^^ > Dereference Drat, so much for me trying to get this to bisect properly (it's interim code and will disappear, end is correct I think). I guess I'll try again. -Daniel > = > 5aba700d4c32ae drivers/gpu/drm/drm_drv.c Daniel Vetter 2020-03-02 844 = kfree(dev->managed.final_kfree); > f30c92576af4bb drivers/gpu/drm/drm_drv.c Chris Wilson 2017-02-02 845 = } > = > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org -- = Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch --===============2669478746431017579==--