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Thu, 20 Dec 2018 16:56:56 +0000 (GMT) Received: from eusmgms1.samsung.com (unknown [182.198.249.179]) by eusmtrp2.samsung.com (KnoxPortal) with ESMTP id 20181220165656eusmtrp25eee81efb3b4c0e4b681cf7f7da22e92~yGOo2GUMP0072800728eusmtrp28; Thu, 20 Dec 2018 16:56:56 +0000 (GMT) X-AuditID: cbfec7f4-835ff700000010c6-aa-5c1bc9d94cd9 Received: from eusmtip2.samsung.com ( [203.254.199.222]) by eusmgms1.samsung.com (EUCPMTA) with SMTP id F3.18.04284.8D9CB1C5; Thu, 20 Dec 2018 16:56:56 +0000 (GMT) Received: from [106.120.53.102] (unknown [106.120.53.102]) by eusmtip2.samsung.com (KnoxPortal) with ESMTPA id 20181220165656eusmtip2a87538fed8dff9201bf3fd4b9ef81c4e~yGOohbOeq0791107911eusmtip2W; Thu, 20 Dec 2018 16:56:55 +0000 (GMT) Subject: Re: [PATCH -next] video: fbdev: pxafb: Fix "WARNING: invalid free of devm_ allocated data" To: YueHaibing Cc: daniel@zonque.org, robert.jarzmik@free.fr, linux-kernel@vger.kernel.org, linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org From: Bartlomiej Zolnierkiewicz Message-ID: <69dc564b-fb9d-98c0-6b31-2de9e0363c33@samsung.com> Date: Thu, 20 Dec 2018 17:56:55 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprFKsWRmVeSWpSXmKPExsWy7djPc7o3T0rHGNz7LmbR9PcVi8WVr+/Z LE70fWC1uLxrDpvFrDfCFne+PmdxYPPoX/eZ1aPlyFtWj/vdx5k8Pm+S89i+ezlLAGsUl01K ak5mWWqRvl0CV8bd1x+ZC9azVKxuv8bWwHieuYuRk0NCwERi86Uupi5GLg4hgRWMEn07fzNC OF8YJR5d2wHlfGaUeDb1PEsXIwdYy/erXBDx5YwSs09vh2p/zyix7e1qVpC5wgKpEg/Xb2YE sUUE1CRaTm1hBiliFuhmlHix+jE7SIJNwEpiYvsqsCJeATuJz1feMYFsYBFQlTjYJwNiigpE SPSfUYeoEJQ4OfMJC4jNKWAvceLLJzCbWcBA4siiOawQtrzE9rdzwFZJCExnl/gwfwUrxJ8u Ev9X/WaEsIUlXh3fwg5hy0j83zmfCaqBUeLNr6UsEM56Rok1Z44xQVRZSxw+fhFqkqPEycv9 0KDgk7jxVhBiM5/EpG3TmSHCvBIdbUIQ1WoSG5ZtYIPZ1bVzJTTcPSSuvbvAOoFRcRaS32Yh +WcWkn8WMDKvYhRPLS3OTU8tNspLLdcrTswtLs1L10vOz93ECEwxp/8d/7KDcdefpEOMAhyM Sjy8F7ZLxwixJpYVV+YeYpTgYFYS4V1/CCjEm5JYWZValB9fVJqTWnyIUZqDRUmct5rhQbSQ QHpiSWp2ampBahFMlomDU6qBUXze640nk5mPlqiynU8zV3VIf6B3PLssafXCf319ttWXZ166 eNJvQ8zCid+/m7tGcZnHWC0Qbmg5G3bu+P/j19de9rFgejyhujzL7Fb9zs9qurH1L89WKfRf btn1ZMve2XePR7I2hW19ks3ws2GycvW+Lo/Vu1o/Hs3s79gq8mXWh5Ln19hzFyqxFGckGmox FxUnAgCk/dgLLQMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprLIsWRmVeSWpSXmKPExsVy+t/xe7o3TkrHGBw5L2jR9PcVi8WVr+/Z LE70fWC1uLxrDpvFrDfCFne+PmdxYPPoX/eZ1aPlyFtWj/vdx5k8Pm+S89i+ezlLAGuUnk1R fmlJqkJGfnGJrVK0oYWRnqGlhZ6RiaWeobF5rJWRqZK+nU1Kak5mWWqRvl2CXsbd1x+ZC9az VKxuv8bWwHieuYuRg0NCwETi+1WuLkYuDiGBpYwSN9snMULEZSSOry/rYuQEMoUl/lzrYgOx hQTeMko0bnABsYUFUiXendrBDmKLCKhJtJzawgwx5zCjxOH+xUwgDrNAN1DD3YWMIFVsAlYS E9tXgdm8AnYSn6+8YwJZxiKgKnGwTwYkLCoQIXHrYQcLRImgxMmZT8BsTgF7iRNfPoHZzAJ6 Ejuu/2KFsOUltr+dwzyBUXAWkpZZSMpmISlbwMi8ilEktbQ4Nz232FCvODG3uDQvXS85P3cT IzBqth37uXkH46WNwYcYBTgYlXh4NXZJxwixJpYVV+YeYpTgYFYS4V1/CCjEm5JYWZValB9f VJqTWnyI0RToh4nMUqLJ+cCIziuJNzQ1NLewNDQ3Njc2s1AS5z1vUBklJJCeWJKanZpakFoE 08fEwSnVwOh5Ql33Q88Oo4hpR7ync3+dqSz0PPp6uqHyJB315uo6xaytAg2GLu/K+vc9X1E6 3f7C38L8Di6Bk83zeGW6TdT+1K16dDbjhGP0S3O95wy7tvAVys7efjJ419P2Ba26jdcai+12 mPquCZnK0TpHUcvdZeMF2Z45nrfYm1mEnJ7UL5NI3SmqqcRSnJFoqMVcVJwIAA3hkgmwAgAA X-CMS-MailID: 20181220165656eucas1p2a198d2ffce86d6ffde6c7da0f4de8eb8 X-Msg-Generator: CA X-RootMTR: 20181116110325epcas4p1a18c4e9d98ede25027bc198065d988dd X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20181116110325epcas4p1a18c4e9d98ede25027bc198065d988dd References: <20181116110255.19736-1-yuehaibing@huawei.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/20/2018 05:55 PM, Bartlomiej Zolnierkiewicz wrote: > > On 11/16/2018 12:02 PM, YueHaibing wrote: >> 'info->modes' got allocated with devm_kcalloc in of_get_pxafb_display. >> >> This gives this error message: >> ./drivers/video/fbdev/pxafb.c:2238:2-7: WARNING: invalid free of devm_ allocated data >> >> Signed-off-by: YueHaibing > > Patch queued for 4.21, thanks. I've just noticed v2, I will queue it instead.. Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics