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Thu, 20 Dec 2018 16:55:20 +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: Date: Thu, 20 Dec 2018 17:55:19 +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: <20181116110255.19736-1-yuehaibing@huawei.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprJKsWRmVeSWpSXmKPExsWy7djPc7qVJ6VjDK7eErFo+vuKxeLK1/ds Fif6PrBaXN41h81i1hthiztfn7M4sHn0r/vM6tFy5C2rx/3u40wenzfJeWzfvZwlgDWKyyYl NSezLLVI3y6BK+P7zneMBVuYK2YdvM3awPiGqYuRk0NCwETi4OmVQDYXh5DACkaJlt0drCAJ IYEvjBLPZmdBJD4zSixuO83WxcgB1tF5QgcivpxR4v38o1Dd7xklZrxrZATpFhZIlXi4fjOY LSKgJtFyagszSBGzQDejxIvVj9lBEmwCVhIT21eBFfEK2El8fLOGDcRmEVCVmHf9JyPINlGB CIn+M+oQJYISJ2c+YQGxOQWsJXrXHAcrZxYwkDiyaA4rhC0vsf3tHLBdEgLz2CU6ZzczQ1zt ItG4LgjiZWGJV8e3sEPYMhKnJ/ewQNRPZ5R482splLOeUWLNmWPQQLKWOHz8IiuE7Shx8nI/ C8RQPokbbwUhFvNJTNo2HWoXr0RHmxBEtZrEhmUb2GB2de1cyQxhe0hce3eBdQKj4iwkr81C 8s4sJO8sYGRexSieWlqcm55abJiXWq5XnJhbXJqXrpecn7uJEZhgTv87/mkH49dLSYcYBTgY lXh4L2yXjhFiTSwrrsw9xCjBwawkwrv+EFCINyWxsiq1KD++qDQntfgQozQHi5I4bzXDg2gh gfTEktTs1NSC1CKYLBMHp1QDY5ypsOmjkORk3bTZa4QP/1j/NPrW9m9T19T8+bpvWvxDOa73 p/TdBftdPr49s/TaBMX2rVUZoS/niEx/an+wScRkY5OQgLxqW/T8yC9TuksZX1pemNV3QHUj f/Y21llhbUJy73fwqZuxTVtVsfT4xBJXxZICU5eAlLDKabMLL7/j6M3Iaj7Hp8RSnJFoqMVc VJwIANGpzRYsAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprPIsWRmVeSWpSXmKPExsVy+t/xe7oVJ6VjDKYcVrJo+vuKxeLK1/ds Fif6PrBaXN41h81i1hthiztfn7M4sHn0r/vM6tFy5C2rx/3u40wenzfJeWzfvZwlgDVKz6Yo v7QkVSEjv7jEVina0MJIz9DSQs/IxFLP0Ng81srIVEnfziYlNSezLLVI3y5BL+P7zneMBVuY K2YdvM3awPiGqYuRg0NCwESi84ROFyMXh5DAUkaJqfvWsEDEZSSOry/rYuQEMoUl/lzrYoOo ecsocW/FemaQhLBAqsS7UzvYQWwRATWJllNbmCGK+hglvky/zATiMAt0M0o03l3ICFLFJmAl MbF9FZjNK2An8fHNGjYQm0VAVWLe9Z9gcVGBCIlbDztYIGoEJU7OfAJmcwpYS/SuOQ5Wzyyg J7Hj+i9WCFteYvvbOcwTGAVnIWmZhaRsFpKyBYzMqxhFUkuLc9Nziw31ihNzi0vz0vWS83M3 MQIjZ9uxn5t3MF7aGHyIUYCDUYmHV2OXdIwQa2JZcWXuIUYJDmYlEd71h4BCvCmJlVWpRfnx RaU5qcWHGE2BnpjILCWanA+M6rySeENTQ3MLS0NzY3NjMwslcd7zBpVRQgLpiSWp2ampBalF MH1MHJxSDYxtpRobnA8pNP1h/iJwVL5TXvT0Go6mTecyW73N12mw9idaqx/4cfceE1vqkXKP GNFv3ovy7ERNT8VeWtkvdixg0bUX3JmT63U5ZIKWOW46MXfdDYl5tV8ZN16YHbJSv+rU4TVz F7/8y3glz7hhRaujkRWvV4l2p6Vs0o8Ji3v+MlyO/9RZt1KJpTgj0VCLuag4EQDwwH8msgIA AA== X-CMS-MailID: 20181220165520eucas1p28446c42d5fe48e0362e337f2067d687e 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 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. Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics